Merge pull request #196 from Frooodle/compress

Compress abd cert sign

Dockerfile

@@ -1,5 +1,5 @@
 # Build jbig2enc in a separate stage
-FROM frooodle/stirling-pdf-base:beta2
+FROM frooodle/stirling-pdf-base:beta3
 
 # Create scripts folder and copy local scripts
 RUN mkdir /scripts

DockerfileBase

@@ -1,27 +1,3 @@
-# Build jbig2enc in a separate stage
-FROM debian:bullseye-slim as jbig2enc_builder
-
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-        git \
-        automake \
-        autoconf \
-        libtool \
-        libleptonica-dev \
-        pkg-config \
-        ca-certificates \
-        zlib1g-dev \
-		make \
-		g++
-
-RUN git clone https://github.com/agl/jbig2enc && \
-    cd jbig2enc && \
-    ./autogen.sh && \
-    ./configure && \
-    make && \
-    make install
-
-
 # Main stage
 FROM openjdk:17-jdk-slim AS base
 RUN apt-get update && \
@@ -58,5 +34,4 @@ RUN apt-get update && \
 
 # Final stage: Copy necessary files from the previous stage
 FROM base
-COPY --from=python-packages /usr/local /usr/local
+COPY --from=python-packages /usr/local /usr/local
-COPY --from=jbig2enc_builder /usr/local/bin/jbig2 /usr/local/bin/jbig2

LICENSE

@@ -1,201 +1,674 @@
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+
+  All other non-permissive additional terms are considered "further
+restrictions" within the meaning of section 10.  If the Program as you
+received it, or any part of it, contains a notice stating that it is
+governed by this License along with a term that is a further
+restriction, you may remove that term.  If a license document contains
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+
+  You may not propagate or modify a covered work except as expressly
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+
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+
+  9. Acceptance Not Required for Having Copies.
+
+  You are not required to accept this License in order to receive or
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+occurring solely as a consequence of using peer-to-peer transmission
+to receive a copy likewise does not require acceptance.  However,
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+
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+
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+
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+receiving the covered work authorizing them to use, propagate, modify
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+you grant is automatically extended to all recipients of the covered
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+
+  A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
+conditioned on the non-exercise of one or more of the rights that are
+specifically granted under this License.  You may not convey a covered
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+in the business of distributing software, under which you make payment
+to the third party based on the extent of your activity of conveying
+the work, and under which the third party grants, to any of the
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+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
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+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
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+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
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+
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+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
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+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.

README.md

@@ -117,9 +117,9 @@ Stirling PDF currently supports
 - German (Deutsch) (de_DE)
 - French (Français) (fr_FR)
 - Spanish (Español) (es_ES)
-- Chinese (简体中文) (it_IT)
+- Chinese (简体中文) (zh_CN)
-- Catalan (Català) (zh_CN)
+- Catalan (Català) (ca_CA)
-- Italian (Italiano) (ca_CA)
+- Italian (Italiano) (it_IT)
 - Swedish (Svenska) (sv_SE)
 - Polish (Polski) (pl_PL)
 
@@ -145,7 +145,7 @@ Using the same method you can also change
 - The default language by providing APP_LOCALE with values like de-DE fr-FR or ar-AR (Note the - character not _ ) to select your default language (Will always default to English on invalid locale) Current accepted locales can be seen above in the Want to add your own language section
 - Enable/Disable search engine visiblility with ALLOW_GOOGLE_VISIBILITY with true / false values. Default disable visiblility.
 - Change root URI for Stirling-PDF ie change server.com/ to server.com/pdf-app by running APP_ROOT_PATH as pdf-app
-- Disable and remove endpoints and functionality from Stirling-PDF. Currently the endpoints ENDPOINTS_TO_REMOVE and GROUPS_TO_REMOVE can include comma seperated lists of endpoints and groups to disable as example ENDPOINTS_TO_REMOVE=img-to-pdf,remove-pages would disable both image to pdf and remove pages, GROUPS_TO_REMOVE=LibreOffice Would disable all things that use LibreOffice. You can see a list of all endpoints and groups [here](https://github.com/Frooodle/Stirling-PDF/blob/main/Groups.md) 
+- Disable and remove endpoints and functionality from Stirling-PDF. Currently the endpoints ENDPOINTS_TO_REMOVE and GROUPS_TO_REMOVE can include comma seperated lists of endpoints and groups to disable as example ENDPOINTS_TO_REMOVE=img-to-pdf,remove-pages would disable both image to pdf and remove pages, GROUPS_TO_REMOVE=LibreOffice Would disable all things that use LibreOffice. You can see a list of all endpoints and groups [here](https://github.com/Frooodle/Stirling-PDF/blob/main/groups.md) 
 
 
 ## API
@@ -155,20 +155,19 @@ For those wanting to use Stirling-PDFs backend API to link with their own custom
 
 ## FAQ
 
-### Q1: Where is the authentication for Stirling PDF
+### Q1: Can you add authentication in Stirling PDF?
-There is no Auth within Stirling PDF and there is none planned. This feature will not be added. Instead its recommended to use trusted and secure auth software like Authentik or Authelia.
+There is no Auth within Stirling PDF and there is none planned. This feature will not be added. Instead we recommended you use trusted and secure authentication software like Authentik or Authelia.
 
-### Q2: What are your planned features
+### Q2: What are your planned features?
 - Crop
 - Progress bar/Tracking
-- Annotations (Sign/draw logic directly on page)
 - Full custom logic pipelines to combine multiple operations together.
 - Folder support with auto scanning to perform operations on
-- Redact text
+- Redact sections of pages
 - Add page numbers
 - Auto rename (Renames file based on file title text)
 - URL to PDF
 - Change contrast
 
-### Q3: Why is my application download .htm files
+### Q3: Why is my application downloading .htm files?
-This is a issue caused commonly by your NGINX congifuration. The default file upload size for NGINX is 1MB, you need to add the following in your Nginx sites-available file. client_max_body_size SIZE; Where "SIZE" is 50M for example for 50MB files.
+This is a issue caused commonly by your NGINX congifuration. The default file upload size for NGINX is 1MB, you need to add the following in your Nginx sites-available file. client_max_body_size SIZE; Where "SIZE" is 50M for example for 50MB files.

build.gradle

@@ -5,7 +5,7 @@ plugins {
 }
 
 group = 'stirling.software'
-version = '0.8.3'
+version = '0.9.0'
 sourceCompatibility = '17'
 
 repositories {
@@ -24,8 +24,9 @@ dependencies {
     
 	//general PDF
     implementation 'org.apache.pdfbox:pdfbox:2.0.28'
-    
+    implementation 'org.bouncycastle:bcprov-jdk15on:1.70'
-    
+    implementation 'org.bouncycastle:bcpkix-jdk15on:1.70' 
+    implementation 'com.itextpdf:itext7-core:7.2.5'
     implementation 'org.springframework.boot:spring-boot-starter-actuator'
     implementation 'io.micrometer:micrometer-core'
     

src/main/java/stirling/software/SPDF/config/Beans.java

@@ -49,5 +49,5 @@ public class Beans implements WebMvcConfigurer {
         slr.setDefaultLocale(defaultLocale);
         return slr;
     }
-
+    
 }

src/main/java/stirling/software/SPDF/config/EndpointConfiguration.java

@@ -1,15 +1,13 @@
 package stirling.software.SPDF.config;
 
-import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
-import java.util.Map.Entry;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 
+import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Service;
-import org.slf4j.Logger;
 @Service
 public class EndpointConfiguration {
     private static final Logger logger = LoggerFactory.getLogger(EndpointConfiguration.class);

src/main/java/stirling/software/SPDF/config/MetricsConfig.java

@@ -1,12 +1,8 @@
 package stirling.software.SPDF.config;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.stereotype.Component;
-import org.springframework.web.filter.OncePerRequestFilter;
 
-import io.micrometer.core.instrument.Counter;
 import io.micrometer.core.instrument.Meter;
-import io.micrometer.core.instrument.MeterRegistry;
 import io.micrometer.core.instrument.config.MeterFilter;
 import io.micrometer.core.instrument.config.MeterFilterReply;
 

src/main/java/stirling/software/SPDF/config/MetricsFilter.java

@@ -3,15 +3,11 @@ package stirling.software.SPDF.config;
 import java.io.IOException;
 
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.context.annotation.Bean;
 import org.springframework.stereotype.Component;
 import org.springframework.web.filter.OncePerRequestFilter;
 
 import io.micrometer.core.instrument.Counter;
-import io.micrometer.core.instrument.Meter;
 import io.micrometer.core.instrument.MeterRegistry;
-import io.micrometer.core.instrument.config.MeterFilter;
-import io.micrometer.core.instrument.config.MeterFilterReply;
 import jakarta.servlet.FilterChain;
 import jakarta.servlet.ServletException;
 import jakarta.servlet.http.HttpServletRequest;

src/main/java/stirling/software/SPDF/controller/api/other/CompressController.java

@@ -1,11 +1,24 @@
 package stirling.software.SPDF.controller.api.other;
 
-import java.io.IOException;
+import java.awt.Image;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.List;
 
+import javax.imageio.ImageIO;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.pdfbox.cos.COSName;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.PDPage;
+import org.apache.pdfbox.pdmodel.PDResources;
+import org.apache.pdfbox.pdmodel.graphics.PDXObject;
+import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.ResponseEntity;
@@ -17,67 +30,190 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.media.Schema;
 import stirling.software.SPDF.utils.PdfUtils;
 import stirling.software.SPDF.utils.ProcessExecutor;
-import io.swagger.v3.oas.annotations.media.Schema;
+
 @RestController
 public class CompressController {
 
     private static final Logger logger = LoggerFactory.getLogger(CompressController.class);
 
     @PostMapping(consumes = "multipart/form-data", value = "/compress-pdf")
-    @Operation(
+    @Operation(summary = "Optimize PDF file", description = "This endpoint accepts a PDF file and optimizes it based on the provided parameters.")
-        summary = "Optimize PDF file",
-        description = "This endpoint accepts a PDF file and optimizes it based on the provided parameters."
-    )
     public ResponseEntity<byte[]> optimizePdf(
-        @RequestPart(required = true, value = "fileInput")
+            @RequestPart(value = "fileInput") @Parameter(description = "The input PDF file to be optimized.", required = true) MultipartFile inputFile,
-        @Parameter(description = "The input PDF file to be optimized.", required = true)
+            @RequestParam(required = false, value = "optimizeLevel") @Parameter(description = "The level of optimization to apply to the PDF file. Higher values indicate greater compression but may reduce quality.", schema = @Schema(allowableValues = {
-            MultipartFile inputFile,
+                    "1", "2", "3", "4", "5" })) Integer optimizeLevel,
-        @RequestParam("optimizeLevel")
+            @RequestParam(value = "expectedOutputSize", required = false) @Parameter(description = "The expected output size, e.g. '100MB', '25KB', etc.", required = false) String expectedOutputSizeString)
-        @Parameter(description = "The level of optimization to apply to the PDF file. Higher values indicate greater compression but may reduce quality.", 
+            throws Exception {
-                    schema = @Schema(allowableValues = {"0", "1", "2", "3"}), example = "1")
+
-            int optimizeLevel,
+        if(expectedOutputSizeString == null && optimizeLevel == null) {
-        @RequestParam(name = "fastWebView", required = false)
+            throw new Exception("Both expected output size and optimize level are not specified");
-        @Parameter(description = "If true, optimize the PDF for fast web view. This increases the file size by about 25%.", example = "false")
+        }
-            Boolean fastWebView,
+
-        @RequestParam(name = "jbig2Lossy", required = false)
+        Long expectedOutputSize = 0L;
-        @Parameter(description = "If true, apply lossy JB2 compression to the PDF file.", example = "false")
+        boolean autoMode = false;
-            Boolean jbig2Lossy)
+        if (expectedOutputSizeString != null && expectedOutputSizeString.length() > 1 ) {
-        throws IOException, InterruptedException {
+            expectedOutputSize = PdfUtils.convertSizeToBytes(expectedOutputSizeString);
+            autoMode = true;
+        }
 
         // Save the uploaded file to a temporary location
         Path tempInputFile = Files.createTempFile("input_", ".pdf");
         inputFile.transferTo(tempInputFile.toFile());
 
+        long inputFileSize = Files.size(tempInputFile);
+
         // Prepare the output file path
         Path tempOutputFile = Files.createTempFile("output_", ".pdf");
 
-        // Prepare the OCRmyPDF command
+        // Determine initial optimization level based on expected size reduction, only if in autoMode
-        List<String> command = new ArrayList<>();
+        if(autoMode) {
-        command.add("ocrmypdf");
+            double sizeReductionRatio = expectedOutputSize / (double) inputFileSize;
-        command.add("--skip-text");
+            if (sizeReductionRatio > 0.7) {
-        command.add("--tesseract-timeout=0");
+                optimizeLevel = 1;
-        command.add("--optimize");
+            } else if (sizeReductionRatio > 0.5) {
-        command.add(String.valueOf(optimizeLevel));
+                optimizeLevel = 2;
-        command.add("--output-type");
+            } else if (sizeReductionRatio > 0.35) {
-        command.add("pdf");
+                optimizeLevel = 3;
-
+            } else {
-        if (fastWebView != null && fastWebView) {
+                optimizeLevel = 3;
-            long fileSize = inputFile.getSize();
+            }
-            long fastWebViewSize = (long) (fileSize * 1.25); // 25% higher than file size
-            command.add("--fast-web-view");
-            command.add(String.valueOf(fastWebViewSize));
         }
 
-        if (jbig2Lossy != null && jbig2Lossy) {
+        boolean sizeMet = false;
-            command.add("--jbig2-lossy");
+        while (!sizeMet && optimizeLevel <= 4) {
+            // Prepare the Ghostscript command
+            List<String> command = new ArrayList<>();
+            command.add("gs");
+            command.add("-sDEVICE=pdfwrite");
+            command.add("-dCompatibilityLevel=1.4");
+
+            switch (optimizeLevel) {
+            case 1:
+                command.add("-dPDFSETTINGS=/prepress");
+                break;
+            case 2:
+                command.add("-dPDFSETTINGS=/printer");
+                break;    
+            case 3:
+                command.add("-dPDFSETTINGS=/ebook");
+                break;
+            case 4:
+                command.add("-dPDFSETTINGS=/screen");
+                break;
+            default:
+                command.add("-dPDFSETTINGS=/default");
+            }
+
+            command.add("-dNOPAUSE");
+            command.add("-dQUIET");
+            command.add("-dBATCH");
+            command.add("-sOutputFile=" + tempOutputFile.toString());
+            command.add(tempInputFile.toString());
+
+            int returnCode = ProcessExecutor.getInstance(ProcessExecutor.Processes.GHOSTSCRIPT).runCommandWithOutputHandling(command);
+
+            // Check if file size is within expected size or not auto mode so instantly finish
+            long outputFileSize = Files.size(tempOutputFile);
+            if (outputFileSize <= expectedOutputSize || !autoMode) {
+                sizeMet = true;
+            } else {
+                // Increase optimization level for next iteration
+                optimizeLevel++;
+                if(autoMode && optimizeLevel > 3) {
+                    System.out.println("Skipping level 4 due to bad results in auto mode");
+                    sizeMet = true;
+                } else if(optimizeLevel == 5) {
+                    
+                } else {
+                    System.out.println("Increasing ghostscript optimisation level to " + optimizeLevel);
+                }
+            }
         }
 
-        command.add(tempInputFile.toString());
+        
-        command.add(tempOutputFile.toString());
 
-        int returnCode = ProcessExecutor.getInstance(ProcessExecutor.Processes.OCR_MY_PDF).runCommandWithOutputHandling(command);
+        if (expectedOutputSize != null && autoMode) {
+            long outputFileSize = Files.size(tempOutputFile);
+            if (outputFileSize > expectedOutputSize) {
+                try (PDDocument doc = PDDocument.load(new File(tempOutputFile.toString()))) {
+                    long previousFileSize = 0;
+                    double scaleFactor = 1.0;
+                    while (true) {
+                        for (PDPage page : doc.getPages()) {
+                            PDResources res = page.getResources();
+
+                            for (COSName name : res.getXObjectNames()) {
+                                PDXObject xobj = res.getXObject(name);
+                                if (xobj instanceof PDImageXObject) {
+                                    PDImageXObject image = (PDImageXObject) xobj;
+
+                                    // Get the image in BufferedImage format
+                                    BufferedImage bufferedImage = image.getImage();
+
+                                    // Calculate the new dimensions
+                                    int newWidth = (int)(bufferedImage.getWidth() * scaleFactor);
+                                    int newHeight = (int)(bufferedImage.getHeight() * scaleFactor);
+
+                                    // If the new dimensions are zero, skip this iteration
+                                    if (newWidth == 0 || newHeight == 0) {
+                                        continue;
+                                    }
+
+                                    // Otherwise, proceed with the scaling
+                                    Image scaledImage = bufferedImage.getScaledInstance(newWidth, newHeight, Image.SCALE_SMOOTH);
+
+                                    // Convert the scaled image back to a BufferedImage
+                                    BufferedImage scaledBufferedImage = new BufferedImage(newWidth, newHeight, BufferedImage.TYPE_INT_RGB);
+                                    scaledBufferedImage.getGraphics().drawImage(scaledImage, 0, 0, null);
+
+                                    // Compress the scaled image
+                                    ByteArrayOutputStream compressedImageStream = new ByteArrayOutputStream();
+                                    ImageIO.write(scaledBufferedImage, "jpeg", compressedImageStream);
+                                    byte[] imageBytes = compressedImageStream.toByteArray();
+                                    compressedImageStream.close();
+
+                                    // Convert compressed image back to PDImageXObject
+                                    ByteArrayInputStream bais = new ByteArrayInputStream(imageBytes);
+                                    PDImageXObject compressedImage = PDImageXObject.createFromByteArray(doc, imageBytes, image.getCOSObject().toString());
+
+                                    // Replace the image in the resources with the compressed version
+                                    res.put(name, compressedImage);
+                                }
+                            }
+                        }
+
+                        // save the document to tempOutputFile again
+                        doc.save(tempOutputFile.toString());
+
+                        long currentSize = Files.size(tempOutputFile);
+                        // Check if the overall PDF size is still larger than expectedOutputSize
+                        if (currentSize > expectedOutputSize) {
+                         // Log the current file size and scaleFactor
+                            
+                            System.out.println("Current file size: " + FileUtils.byteCountToDisplaySize(currentSize));
+                            System.out.println("Current scale factor: " + scaleFactor);
+
+                            // The file is still too large, reduce scaleFactor and try again
+                            scaleFactor *= 0.9; // reduce scaleFactor by 10%
+                            // Avoid scaleFactor being too small, causing the image to shrink to 0
+                            if(scaleFactor < 0.2 || previousFileSize == currentSize){
+                                throw new RuntimeException("Could not reach the desired size without excessively degrading image quality, lowest size recommended is " + FileUtils.byteCountToDisplaySize(currentSize) + ", " + currentSize + " bytes");
+                            }
+                            previousFileSize = currentSize;
+                        } else {
+                            // The file is small enough, break the loop
+                            break;
+                        }
+                    }
+
+                }
+
+                    
+            }
+        }
 
         // Read the optimized PDF file
         byte[] pdfBytes = Files.readAllBytes(tempOutputFile);

src/main/java/stirling/software/SPDF/controller/api/security/CertSignController.java

@@ -0,0 +1,285 @@
+package stirling.software.SPDF.controller.api.security;
+
+import java.io.ByteArrayInputStream;
+import io.swagger.v3.oas.annotations.media.Schema;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.security.KeyFactory;
+import java.security.KeyStore;
+import java.security.Principal;
+import java.security.PrivateKey;
+import java.security.Security;
+import java.security.cert.Certificate;
+import java.security.cert.CertificateFactory;
+import java.security.cert.X509Certificate;
+import java.security.spec.PKCS8EncodedKeySpec;
+import java.text.SimpleDateFormat;
+import java.util.Arrays;
+import java.util.Date;
+import java.util.List;
+
+import org.bouncycastle.jce.provider.BouncyCastleProvider;
+import org.bouncycastle.util.io.pem.PemReader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RequestPart;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+import com.itextpdf.io.font.constants.StandardFonts;
+import com.itextpdf.kernel.font.PdfFont;
+import com.itextpdf.kernel.font.PdfFontFactory;
+import com.itextpdf.kernel.geom.Rectangle;
+import com.itextpdf.kernel.pdf.PdfDocument;
+import com.itextpdf.kernel.pdf.PdfPage;
+import com.itextpdf.kernel.pdf.PdfReader;
+import com.itextpdf.kernel.pdf.StampingProperties;
+import com.itextpdf.signatures.BouncyCastleDigest;
+import com.itextpdf.signatures.DigestAlgorithms;
+import com.itextpdf.signatures.IExternalDigest;
+import com.itextpdf.signatures.IExternalSignature;
+import com.itextpdf.signatures.PdfPKCS7;
+import com.itextpdf.signatures.PdfSignatureAppearance;
+import com.itextpdf.signatures.PdfSigner;
+import com.itextpdf.signatures.PrivateKeySignature;
+import com.itextpdf.signatures.SignatureUtil;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.Parameter;
+import stirling.software.SPDF.utils.PdfUtils;
+@RestController
+public class CertSignController {
+
+    private static final Logger logger = LoggerFactory.getLogger(CertSignController.class);
+
+    static {
+        Security.addProvider(new BouncyCastleProvider());
+    }
+
+    @PostMapping(consumes = "multipart/form-data", value = "/cert-sign")
+    @Operation(summary = "Sign PDF with a Digital Certificate",
+        description = "This endpoint accepts a PDF file, a digital certificate and related information to sign the PDF. It then returns the digitally signed PDF file.")
+    public ResponseEntity<byte[]> signPDF(
+        @RequestPart(required = true, value = "fileInput")
+        @Parameter(description = "The input PDF file to be signed")
+                MultipartFile pdf,
+
+        @RequestParam(value = "certType", required = false)
+        @Parameter(description = "The type of the digital certificate", schema = @Schema(allowableValues = {"PKCS12", "PEM"}))
+                String certType,
+
+        @RequestParam(value = "key", required = false)
+        @Parameter(description = "The private key for the digital certificate (required for PEM type certificates)")
+                MultipartFile privateKeyFile,
+
+        @RequestParam(value = "cert", required = false)
+        @Parameter(description = "The digital certificate (required for PEM type certificates)")
+                MultipartFile certFile,
+
+        @RequestParam(value = "p12", required = false)
+        @Parameter(description = "The PKCS12 keystore file (required for PKCS12 type certificates)")
+                MultipartFile p12File,
+
+        @RequestParam(value = "password", required = false)
+        @Parameter(description = "The password for the keystore or the private key")
+                String password,
+
+        @RequestParam(value = "showSignature", required = false)
+        @Parameter(description = "Whether to visually show the signature in the PDF file")
+                Boolean showSignature,
+
+        @RequestParam(value = "reason", required = false)
+        @Parameter(description = "The reason for signing the PDF")
+                String reason,
+
+        @RequestParam(value = "location", required = false)
+        @Parameter(description = "The location where the PDF is signed")
+                String location,
+
+        @RequestParam(value = "name", required = false)
+        @Parameter(description = "The name of the signer")
+                String name,
+
+        @RequestParam(value = "pageNumber", required = false)
+        @Parameter(description = "The page number where the signature should be visible. This is required if showSignature is set to true")
+                Integer pageNumber) throws Exception {
+        
+        BouncyCastleProvider provider = new BouncyCastleProvider();
+        Security.addProvider(provider);
+
+        PrivateKey privateKey = null;
+        X509Certificate cert = null;
+        
+        if (certType != null) {
+            switch (certType) {
+                case "PKCS12":
+                    if (p12File != null) {
+                        KeyStore ks = KeyStore.getInstance("PKCS12");
+                        ks.load(new ByteArrayInputStream(p12File.getBytes()), password.toCharArray());
+                        String alias = ks.aliases().nextElement();
+                        privateKey = (PrivateKey) ks.getKey(alias, password.toCharArray());
+                        cert = (X509Certificate) ks.getCertificate(alias);
+                    }
+                    break;
+                case "PEM":
+                    if (privateKeyFile != null && certFile != null) {
+                        // Load private key
+                        KeyFactory keyFactory = KeyFactory.getInstance("RSA", provider);
+                        if (isPEM(privateKeyFile.getBytes())) {
+                            privateKey = keyFactory.generatePrivate(new PKCS8EncodedKeySpec(parsePEM(privateKeyFile.getBytes())));
+                        } else {
+                            privateKey = keyFactory.generatePrivate(new PKCS8EncodedKeySpec(privateKeyFile.getBytes()));
+                        }
+
+                        // Load certificate
+                        CertificateFactory certFactory = CertificateFactory.getInstance("X.509", provider);
+                        if (isPEM(certFile.getBytes())) {
+                            cert = (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream(parsePEM(certFile.getBytes())));
+                        } else {
+                            cert = (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream(certFile.getBytes()));
+                        }
+                    }
+                    break;
+            }
+        }
+
+        Principal principal = cert.getSubjectDN();
+        String dn = principal.getName();
+
+        // Extract the "CN" (Common Name) field from the distinguished name (if it's present)
+        String cn = null;
+        for (String part : dn.split(",")) {
+            if (part.trim().startsWith("CN=")) {
+                cn = part.trim().substring("CN=".length());
+                break;
+            }
+        }
+        
+        // Set up the PDF reader and stamper
+        PdfReader reader = new PdfReader(new ByteArrayInputStream(pdf.getBytes()));
+        ByteArrayOutputStream signedPdf = new ByteArrayOutputStream();
+        PdfSigner signer = new PdfSigner(reader, signedPdf, new StampingProperties());
+
+        // Set up the signing appearance
+        PdfSignatureAppearance appearance = signer.getSignatureAppearance()
+                .setReason("Test")
+                .setLocation("TestLocation");
+
+        if (showSignature != null && showSignature) {
+            float fontSize = 4;  // the font size of the signature
+            float marginRight = 36; // Margin from the right
+            float marginBottom = 36; // Margin from the bottom
+            String signingDate = new SimpleDateFormat("yyyy.MM.dd HH:mm:ss z").format(new Date());
+
+            // Prepare the text for the digital signature
+            String layer2Text = String.format("Digitally signed by: %s\nDate: %s\nReason: %s\nLocation: %s", name, signingDate, reason, location);
+
+            // Get the PDF font and measure the width and height of the text block
+            PdfFont font = PdfFontFactory.createFont(StandardFonts.HELVETICA_BOLD);
+            float textWidth = Arrays.stream(layer2Text.split("\n"))
+                                    .map(line -> font.getWidth(line, fontSize))
+                                    .max(Float::compare)
+                                    .orElse(0f);
+            int numLines = layer2Text.split("\n").length;
+            float textHeight = numLines * fontSize;
+
+            // Calculate the signature rectangle size
+            float sigWidth = textWidth + marginRight * 2;
+            float sigHeight = textHeight + marginBottom * 2;
+
+            // Get the page size
+            PdfPage page = signer.getDocument().getPage(1);
+            Rectangle pageSize = page.getPageSize();
+
+            // Define the position and dimension of the signature field
+            Rectangle rect = new Rectangle(
+                pageSize.getRight() - sigWidth - marginRight,
+                pageSize.getBottom() + marginBottom,
+                sigWidth,
+                sigHeight
+            );
+
+            // Configure the appearance of the digital signature
+            appearance.setPageRect(rect)
+                      .setContact(name)
+                      .setPageNumber(pageNumber)
+                      .setReason(reason)
+                      .setLocation(location)
+                      .setReuseAppearance(false)
+                      .setLayer2Text(layer2Text);
+
+            signer.setFieldName("sig");
+        } else {
+            appearance.setRenderingMode(PdfSignatureAppearance.RenderingMode.DESCRIPTION);
+        }
+        
+        // Set up the signer
+        PrivateKeySignature pks = new PrivateKeySignature(privateKey, DigestAlgorithms.SHA256, provider.getName());
+        IExternalSignature pss = new PrivateKeySignature(privateKey, DigestAlgorithms.SHA256, provider.getName());
+        IExternalDigest digest = new BouncyCastleDigest();
+
+        // Call iTex7 to sign the PDF
+        signer.signDetached(digest, pks, new Certificate[] {cert}, null, null, null, 0, PdfSigner.CryptoStandard.CMS);
+
+        
+        System.out.println("Signed PDF size: " + signedPdf.size());
+
+        System.out.println("PDF signed = " + isPdfSigned(signedPdf.toByteArray()));
+        return PdfUtils.bytesToWebResponse(signedPdf.toByteArray(), "example.pdf");
+    }
+
+public boolean isPdfSigned(byte[] pdfData) throws IOException {
+    InputStream pdfStream = new ByteArrayInputStream(pdfData);
+    PdfDocument pdfDoc = new PdfDocument(new PdfReader(pdfStream));
+    SignatureUtil signatureUtil = new SignatureUtil(pdfDoc);
+    List<String> names = signatureUtil.getSignatureNames();
+
+    boolean isSigned = false;
+
+    for (String name : names) {
+        PdfPKCS7 pkcs7 = signatureUtil.readSignatureData(name);
+        if (pkcs7 != null) {
+            System.out.println("Signature found.");
+
+            // Log certificate details
+            Certificate[] signChain = pkcs7.getSignCertificateChain();
+            for (Certificate cert : signChain) {
+                if (cert instanceof X509Certificate) {
+                    X509Certificate x509 = (X509Certificate) cert;
+                    System.out.println("Certificate Details:");
+                    System.out.println("Subject: " + x509.getSubjectDN());
+                    System.out.println("Issuer: " + x509.getIssuerDN());
+                    System.out.println("Serial: " + x509.getSerialNumber());
+                    System.out.println("Not Before: " + x509.getNotBefore());
+                    System.out.println("Not After: " + x509.getNotAfter());
+                }
+            }
+
+            isSigned = true;
+        }
+    }
+
+    pdfDoc.close();
+
+    return isSigned;
+}
+    private byte[] parsePEM(byte[] content) throws IOException {
+        PemReader pemReader = new PemReader(new InputStreamReader(new ByteArrayInputStream(content)));
+        return pemReader.readPemObject().getContent();
+    }
+
+    private boolean isPEM(byte[] content) {
+        String contentStr = new String(content);
+        return contentStr.contains("-----BEGIN") && contentStr.contains("-----END");
+    }
+   
+
+    
+
+
+}

src/main/java/stirling/software/SPDF/controller/api/security/PasswordController.java

@@ -16,8 +16,8 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
-import stirling.software.SPDF.utils.PdfUtils;
 import io.swagger.v3.oas.annotations.media.Schema;
+import stirling.software.SPDF.utils.PdfUtils;
 @RestController
 public class PasswordController {
 

src/main/java/stirling/software/SPDF/controller/web/MetricsController.java

@@ -1,9 +1,4 @@
 package stirling.software.SPDF.controller.web;
-import io.micrometer.core.instrument.Counter;
-import io.micrometer.core.instrument.Meter;
-import io.micrometer.core.instrument.MeterRegistry;
-import io.swagger.v3.oas.annotations.Operation;
-
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Optional;
@@ -13,6 +8,11 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
+import io.micrometer.core.instrument.Counter;
+import io.micrometer.core.instrument.Meter;
+import io.micrometer.core.instrument.MeterRegistry;
+import io.swagger.v3.oas.annotations.Operation;
+
 @RestController
 @RequestMapping("/api/v1")
 public class MetricsController {

src/main/java/stirling/software/SPDF/controller/web/SecurityWebController.java

@@ -34,4 +34,11 @@ public class SecurityWebController {
         model.addAttribute("currentPage", "add-watermark");
         return "security/add-watermark";
     }
+    
+    @GetMapping("/cert-sign")
+    @Hidden
+    public String certSignForm(Model model) {
+        model.addAttribute("currentPage", "cert-sign");
+        return "security/cert-sign";
+    }
 }

src/main/java/stirling/software/SPDF/utils/PdfUtils.java

@@ -2,8 +2,6 @@ package stirling.software.SPDF.utils;
 
 import java.awt.Graphics;
 import java.awt.image.BufferedImage;
-import java.awt.image.BufferedImageOp;
-import java.awt.image.ColorConvertOp;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
@@ -287,4 +285,31 @@ public class PdfUtils {
 
         return PdfUtils.boasToWebResponse(baos, docName);
     }
+    
+    public static Long convertSizeToBytes(String sizeStr) {
+        if (sizeStr == null) {
+            return null;
+        }
+
+        sizeStr = sizeStr.trim().toUpperCase();
+        try {
+            if (sizeStr.endsWith("KB")) {
+                return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024);
+            } else if (sizeStr.endsWith("MB")) {
+                return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024 * 1024);
+            } else if (sizeStr.endsWith("GB")) {
+                return (long) (Double.parseDouble(sizeStr.substring(0, sizeStr.length() - 2)) * 1024 * 1024 * 1024);
+            } else if (sizeStr.endsWith("B")) {
+                return Long.parseLong(sizeStr.substring(0, sizeStr.length() - 1));
+            } else {
+                // Input string does not have a valid format, handle this case
+            }
+        } catch (NumberFormatException e) {
+            // The numeric part of the input string cannot be parsed, handle this case
+        }
+        
+        return null;
+    }
+
+    
 }

src/main/resources/messages_ar_AR.properties

@@ -135,6 +135,22 @@ home.compare.desc = يقارن ويظهر الاختلافات بين 2 من م
 downloadPdf = تنزيل PDF
 text=نص
 font=الخط
+selectFillter = - حدد -
+pageNum = رقم الصفحة
+
+certSign.title = توقيع الشهادة
+certSign.header = قم بتوقيع ملف PDF بشهادتك (العمل قيد التقدم)
+certSign.selectPDF = حدد ملف PDF للتوقيع:
+certSign.selectKey = حدد ملف المفتاح الخاص (تنسيق PKCS # 8 ، يمكن أن يكون .pem أو .der):
+certSign.selectCert = حدد ملف الشهادة الخاص بك (تنسيق X.509 ، يمكن أن يكون .pem أو .der):
+certSign.selectP12 = حدد ملف تخزين المفاتيح PKCS # 12 (.p12 أو .pfx) (اختياري ، إذا تم توفيره ، يجب أن يحتوي على مفتاحك الخاص وشهادتك):
+certSign.certType = نوع الشهادة
+certSign.password = أدخل ملف تخزين المفاتيح أو كلمة المرور الخاصة (إن وجدت):
+certSign.showSig = إظهار التوقيع
+certSign.reason = السبب
+certSign.location = الموقع
+certSign.name = الاسم
+certSign.submit = تسجيل PDF
 
 removeBlanks.title = إزالة الفراغات
 removeBlanks.header = إزالة الصفحات الفارغة
@@ -229,17 +245,15 @@ addImage.everyPage=كل صفحة؟
 addImage.submit=إضافة صورة
 
 #compress
-compress.title=ضغط
+compress.title = ضغط
-compress.header=\u0636\u063A\u0637 PDF
+compress.header = ضغط ملف PDF
-compress.credit=\u062A\u0633\u062A\u062E\u062F\u0645 \u0647\u0630\u0647 \u0627\u0644\u062E\u062F\u0645\u0629 OCRmyPDF \u0644\u0636\u063A\u0637 / \u062A\u062D\u0633\u064A\u0646 PDF.
+compress.credit = تستخدم هذه الخدمة OCRmyPDF لضغط / تحسين PDF.
-compress.selectText.1=\u0645\u0633\u062A\u0648\u0649 \u0627\u0644\u062A\u062D\u0633\u064A\u0646:
+compress.selectText.1 = الوضع اليدوي - من 1 إلى 4
-compress.selectText.2=0 (\u0628\u062F\u0648\u0646 \u062A\u062D\u0633\u064A\u0646)
+compress.selectText.2 = مستوى التحسين:
-compress.selectText.3=1 (\u0627\u0641\u062A\u0631\u0627\u0636\u064A\u060C \u062A\u062D\u0633\u064A\u0646 \u0628\u062F\u0648\u0646 \u0641\u0642\u062F\u0627\u0646)
+compress.selectText.3 = 4 (رهيب للصور النصية)
-compress.selectText.4=2 (\u062A\u062D\u0633\u064A\u0646 \u0636\u064A\u0627\u0639)
+compress.selectText.4 = الوضع التلقائي - يضبط الجودة تلقائيًا للحصول على ملف PDF بالحجم المحدد
-compress.selectText.5=3 (\u062A\u062D\u0633\u064A\u0646 \u0636\u064A\u0627\u0639 \u060C \u0623\u0643\u062B\u0631 \u0639\u062F\u0648\u0627\u0646\u064A\u0629)
+compress.selectText.5 = حجم PDF المتوقع (على سبيل المثال 25 ميجا بايت ، 10.8 ميجا بايت ، 25 كيلو بايت)
-compress.selectText.6=\u062A\u0645\u0643\u064A\u0646 \u0639\u0631\u0636 \u0627\u0644\u0648\u064A\u0628 \u0627\u0644\u0633\u0631\u064A\u0639 (\u062E\u0637\u064A PDF)
+compress.submit = ضغطضغط
-compress.selectText.7=\u062A\u0645\u0643\u064A\u0646 \u062A\u0631\u0645\u064A\u0632 JBIG2 \u0627\u0644\u0645\u0641\u0642\u0648\u062F
-compress.submit=ضغط
 
 
 #merge

src/main/resources/messages_ca_CA.properties

@@ -128,6 +128,22 @@ home.compare.desc=Compara i mostra les diferències entre 2 documents PDF
 downloadPdf=Descarregueu PDF
 text=Text
 font=Tipus de lletra
+selectFillter=-- Selecciona --
+pageNum=Número de pàgina
+
+certSign.title=Significació del certificat
+certSign.header=Firmar un PDF amb el vostre certificat (Treball en curs)
+certSign.selectPDF=Seleccioneu un fitxer PDF per signar:
+certSign.selectKey=Seleccioneu el vostre fitxer de clau privada (format PKCS#8, podria ser .pem o .der):
+certSign.selectCert=Seleccioneu el vostre fitxer de certificat (format X.509, podria ser .pem o .der):
+certSign.selectP12=Seleccioneu el vostre fitxer de magatzem de claus PKCS#12 (.p12 o .pfx) (Opcional, si es proporciona, hauria de contenir la vostra clau privada i certificat):
+certSign.certType=Tipus de certificat
+certSign.password=Introduïu el vostre magatzem de claus o contrasenya de clau privada (si n'hi ha):
+certSign.showSig=Mostra la signatura
+certSign.reason=Motiu
+certSign.location=Ubicació
+certSign.name=Nom
+certSign.submit=Firma PDF
 
 removeBlanks.title=Elimina els espais en blanc
 removeBlanks.header=Elimina les pàgines en blanc
@@ -220,18 +236,15 @@ fileToPDF.submit=Converteix a PDF
 
 
 #compress
-compress.title=Comprimeix
+compress.title=Comprimir
-compress.header=Comprimeix PDF
+compress.header=Comprimir PDF
-compress.credit=Utilitza OCRmyPDF per Compressió/Optimització de PDF.
+compress.credit=Aquest servei utilitza Ghostscript per a la compressió/optimització de PDF.
-compress.selectText.1=Nivell Optimització:
+compress.selectText.1=Mode manual: de l'1 al 4
-compress.selectText.2=0 (Sense Optimització)
+compress.selectText.2=Nivell d'optimització:
-compress.selectText.3=1 (Defecte, sense pèrdua Optimització)
+compress.selectText.3=4 (terrible per a imatges de text)
-compress.selectText.4=2 (Pèrdua Optimització)
+compress.selectText.4=Mode automàtic: ajusta automàticament la qualitat per tal que el PDF tingui la mida exacta
-compress.selectText.5=3 (Pèrdua Optimització, més agressiu)
+compress.selectText.5=Mida esperada del PDF (p. ex. 25 MB, 10,8 MB, 25 KB)
-compress.selectText.6=Activa la visualització web ràpida (linealitza PDF)
+compress.submit=Comprimir
-compress.selectText.7=Activa pèrdua codificació JBIG2
-compress.submit=Comprimeix
-
 
 #Add image
 addImage.title=Afegir Imatge

src/main/resources/messages_de_DE.properties

@@ -127,6 +127,22 @@ home.compare.desc=Vergleicht und zeigt die Unterschiede zwischen zwei PDF-Dokume
 downloadPdf=PDF herunterladen
 text=Text
 font=Schriftart
+selectFillter=-- Auswählen --
+pageNum=Seitenzahl
+
+certSign.title=Zertifikatsignierung
+certSign.header=Signieren Sie ein PDF mit Ihrem Zertifikat (in Arbeit)
+certSign.selectPDF=Wählen Sie eine PDF-Datei zum Signieren aus:
+certSign.selectKey=Wählen Sie Ihre private Schlüsseldatei aus (PKCS#8-Format, könnte .pem oder .der sein):
+certSign.selectCert=Wählen Sie Ihre Zertifikatsdatei aus (X.509-Format, könnte .pem oder .der sein):
+certSign.selectP12=Wählen Sie Ihre PKCS#12-Keystore-Datei (.p12 oder .pfx) aus (optional, falls angegeben, sollte sie Ihren privaten Schlüssel und Ihr Zertifikat enthalten):
+certSign.certType=Zertifikattyp
+certSign.password=Geben Sie Ihr Keystore- oder Private-Key-Passwort ein (falls vorhanden):
+certSign.showSig=Signatur anzeigen
+certSign.reason=Grund
+certSign.location=Standort
+certSign.name=Name
+certSign.submit=PDF signieren
 
 removeBlanks.title=Leerzeichen entfernen
 removeBlanks.header=Leere Seiten entfernen
@@ -226,14 +242,12 @@ addImage.submit=Bild hinzufügen
 #compress
 compress.title=Komprimieren
 compress.header=PDF komprimieren
-compress.credit=Dieser Dienst verwendet OCRmyPDF für die PDF-Komprimierung/-Optimierung.
+compress.credit=Dieser Dienst verwendet Ghostscript für die PDF-Komprimierung/-Optimierung.
-compress.selectText.1=Optimierungsstufe:
+compress.selectText.1=Manueller Modus – Von 1 bis 4
-compress.selectText.2=0 (Keine Optimierung)
+compress.selectText.2=Optimierungsstufe:
-compress.selectText.3=1 (Standard, verlustfreie Optimierung)
+compress.selectText.3=4 (Schrecklich für Textbilder)
-compress.selectText.4=2 (Verlustbehaftete Optimierung)
+compress.selectText.4=Automatischer Modus – Passt die Qualität automatisch an, um das PDF auf die exakte Größe zu bringen
-compress.selectText.5=3 (Verlustbehaftete Optimierung, aggressiver)
+compress.selectText.5=Erwartete PDF-Größe (z. B. 25 MB, 10,8 MB, 25 KB)
-compress.selectText.6=Schnelle Webansicht aktivieren (PDF linearisieren)
-compress.selectText.7=Verlustbehaftete JBIG2-Kodierung aktivieren
 compress.submit=Komprimieren
 
 

src/main/resources/messages_en_GB.properties

@@ -125,9 +125,32 @@ home.removeBlanks.desc=Detects and removes blank pages from a document
 home.compare.title=Compare
 home.compare.desc=Compares and shows the differences between 2 PDF Documents
 
+home.certSign.title=Sign with Certificate
+home.certSign.desc=Signs a PDF with a Certificate/Key (PEM/P12)
+
+
 downloadPdf=Download PDF
 text=Text
 font=Font
+selectFillter=-- Select --
+pageNum=Page Number 
+
+certSign.title=Certificate Signing
+certSign.header=Sign a PDF with your certificate (Work in progress)
+certSign.selectPDF=Select a PDF File for Signing: 
+certSign.selectKey=Select Your Private Key File (PKCS#8 format, could be .pem or .der): 
+certSign.selectCert=Select Your Certificate File (X.509 format, could be .pem or .der): 
+certSign.selectP12=Select Your PKCS#12 Keystore File (.p12 or .pfx) (Optional, If provided, it should contain your private key and certificate): 
+certSign.certType=Certificate Type
+certSign.password=Enter Your Keystore or Private Key Password (If Any): 
+certSign.showSig=Show Signature
+certSign.reason=Reason
+certSign.location=Location
+certSign.name=Name
+                        
+certSign.submit=Sign PDF
+
+
 
 removeBlanks.title=Remove Blanks
 removeBlanks.header=Remove Blank Pages
@@ -222,14 +245,12 @@ fileToPDF.submit=Convert to PDF
 #compress
 compress.title=Compress
 compress.header=Compress PDF
-compress.credit=This service uses OCRmyPDF for PDF Compress/Optimisation.
+compress.credit=This service uses Ghostscript for PDF Compress/Optimisation.
-compress.selectText.1=Optimization level:
+compress.selectText.1=Manual Mode - From 1 to 4
-compress.selectText.2=0 (No optimization)
+compress.selectText.2=Optimization level:
-compress.selectText.3=1 (Default, lossless optimization)
+compress.selectText.3=4 (Terrible for text images)
-compress.selectText.4=2 (Lossy optimization)
+compress.selectText.4=Auto mode - Auto adjusts quality to get PDF to exact size
-compress.selectText.5=3 (Lossy optimization, more aggressive)
+compress.selectText.5=Expected PDF Size (e.g. 25MB, 10.8MB, 25KB) 
-compress.selectText.6=Enable fast web view (linearize PDF)
-compress.selectText.7=Enable lossy JBIG2 encoding
 compress.submit=Compress
 
 

src/main/resources/messages_es_ES.properties

@@ -4,10 +4,10 @@
 # the direction that the language is written (ltr = left to right, rtl = right to left)
 language.direction=ltr
 
-pdfPrompt=Selecciona PDF(s)
+pdfPrompt=Seleccionar PDF(s)
-multiPdfPrompt=Selecciona PDFs (2+)
+multiPdfPrompt=Seleccionar PDFs (2+)
 multiPdfDropPrompt=Selecciona (o arrastra y suelta) todos los PDFs que quieras
-imgPrompt=Selecciona Imagen(es)
+imgPrompt=Seleccionar Imagen(es)
 genericSubmit=Enviar
 processTimeWarning=Advertencia: este proceso puede tardar hasta un minuto dependiendo del tamaño del archivo
 pageOrderPrompt=Orden de páginas (Introduzca una lista de números de página separados por coma):
@@ -31,65 +31,65 @@ navbar.other=Otro
 navbar.darkmode=Modo oscuro
 navbar.pageOps=Operaciones de página
 
-home.multiTool.title=Multiherramienta PDF
+home.multiTool.title=Multi-herramienta PDF
 home.multiTool.desc=Combinar, rotar, reorganizar y eliminar páginas
 
 home.merge.title=Unir
 home.merge.desc=Unir fácilmente múltiples PDFs en uno.
 
-home.split.title=Divide
+home.split.title=Dividir
-home.split.desc=Divide PDFs en múltiples documentos
+home.split.desc=Dividir PDFs en múltiples documentos
 
-home.rotate.title=Rota
+home.rotate.title=Rotar
-home.rotate.desc=Rota fácilmente tus PDFs.
+home.rotate.desc=Rotar fácilmente tus PDFs.
 
 home.imageToPdf.title=Imagen a PDF
-home.imageToPdf.desc=Convierte una imagen (PNG, JPEG, GIF) a PDF.
+home.imageToPdf.desc=Convertir una imagen (PNG, JPEG, GIF) a PDF.
 
 home.pdfToImage.title=PDF a Imagen
-home.pdfToImage.desc=Convierte un PDF a una imagen. (PNG, JPEG, GIF)
+home.pdfToImage.desc=Convertir un PDF a una imagen. (PNG, JPEG, GIF)
 
 home.pdfOrganiser.title=Organizador
-home.pdfOrganiser.desc=Elimina/Reorganiza páginas en cualquier orden
+home.pdfOrganiser.desc=Eliminar/Reorganizar páginas en cualquier orden
 
 home.addImage.title=Agregar imagen al PDF
-home.addImage.desc=Agrega una imagen en una ubicación establecida en el PDF (trabajo en progreso)
+home.addImage.desc=Agregar una imagen en una ubicación establecida en el PDF (trabajo en progreso)
 
-home.watermark.title=Añade marca de agua
+home.watermark.title=Añadir marca de agua
-home.watermark.desc=Añade una marca de agua predefinida a tu documento PDF.
+home.watermark.desc=Añadir una marca de agua predefinida a tu documento PDF.
 
-home.remove-watermark.title=Elimina marca de agua
+home.remove-watermark.title=Eliminar marca de agua
-home.remove-watermark.desc=Elimina marcas de agua de tu documento PDF.
+home.remove-watermark.desc=Eliminar marcas de agua de tu documento PDF.
 
-home.permissions.title=Cambia Permisos
+home.permissions.title=Cambiar Permisos
-home.permissions.desc=Cambia los permisos de tu documento PDF
+home.permissions.desc=Cambiar los permisos de tu documento PDF
 
-home.removePages.title=Elimina
+home.removePages.title=Eliminar
-home.removePages.desc=Elimina páginas no deseadas de tu documento PDF.
+home.removePages.desc=Eliminar páginas no deseadas de tu documento PDF.
 
-home.addPassword.title=Añade Contraseña
+home.addPassword.title=Añadir Contraseña
-home.addPassword.desc=Encripta tu documento PDF con una contraseña.
+home.addPassword.desc=Encriptar el documento PDF con una contraseña.
 
-home.removePassword.title=Elimina Contraseña
+home.removePassword.title=Eliminar Contraseña
-home.removePassword.desc=Elimina la contraseña de tu documento PDF.
+home.removePassword.desc=Eliminar la contraseña del documento PDF.
 
-home.compressPdfs.title=Comprime
+home.compressPdfs.title=Comprimir
-home.compressPdfs.desc=Comprime PDFs para reducir el tamaño del fichero.
+home.compressPdfs.desc=Comprimir PDFs para reducir el tamaño del fichero.
 
-home.changeMetadata.title=Cambia Metadatos
+home.changeMetadata.title=Cambiar Metadatos
-home.changeMetadata.desc=Cambia/Elimina/Añade metadatos a tu documento PDF.
+home.changeMetadata.desc=Cambiar/Eliminar/Añadir metadatos al documento PDF.
 
-home.fileToPDF.title=Convierte fichero a PDF
+home.fileToPDF.title=Convertir fichero a PDF
-home.fileToPDF.desc=Convierte casi cualquier archivo a PDF (DOCX, PNG, XLS, PPT, TXT y más)
+home.fileToPDF.desc=Convertir casi cualquier archivo a PDF (DOCX, PNG, XLS, PPT, TXT y más)
 
-home.ocr.title=Ejecute OCR en PDF y/o escaneos de limpieza
+home.ocr.title=Ejecutar OCR en PDF y/o escaneos de limpieza
 home.ocr.desc=Escaneos de limpieza y detecta texto de imágenes dentro de un PDF y lo vuelve a agregar como texto.
 
 home.extractImages.title=Extraer imágenes
-home.extractImages.desc=Extrae todas las imágenes de un PDF y las guarda en zip
+home.extractImages.desc=Extraer todas las imágenes de un PDF y guardarlas en zip
 
-home.pdfToPDFA.title=Convierte PDF to PDF/A
+home.pdfToPDFA.title=Convertir PDF a PDF/A
-home.pdfToPDFA.desc=Convierte PDF to PDF/A para almacenamiento a largo plazo
+home.pdfToPDFA.desc=Convertir PDF a PDF/A para almacenamiento a largo plazo
 
 home.PDFToWord.title=PDF a Word
 home.PDFToWord.desc=Convertir formatos PDF a Word (DOC, DOCX y ODT)
@@ -97,8 +97,8 @@ home.PDFToWord.desc=Convertir formatos PDF a Word (DOC, DOCX y ODT)
 home.PDFToPresentation.title=PDF a presentación
 home.PDFToPresentation.desc=Convertir PDF a formatos de presentación (PPT, PPTX y ODP)
 
-home.PDFToText.title=PDF a texto/RTF
+home.PDFToText.title=PDF a TXT o RTF
-home.PDFToText.desc=Convertir PDF a texto o formato RTF
+home.PDFToText.desc=Convertir PDF a formato TXT o RTF
 
 home.PDFToHTML.title=PDF a HTML
 home.PDFToHTML.desc=Convertir PDF a formato HTML
@@ -119,7 +119,7 @@ home.repair.title=Reparar
 home.repair.desc=Intenta reparar un PDF corrupto/roto
 
 home.removeBlanks.title=Eliminar páginas en blanco
-home.removeBlanks.desc=Detecta y elimina páginas en blanco de un documento
+home.removeBlanks.descdetecta y elimina páginas en blanco de un documento
 
 home.compare.title=Comparar
 home.compare.desc=Compara y muestra las diferencias entre 2 documentos PDF
@@ -127,11 +127,27 @@ home.compare.desc=Compara y muestra las diferencias entre 2 documentos PDF
 downloadPdf=Descargar PDF
 text=Texto
 font=Fuente
+selectFilter=-- Seleccionar --
+pageNum=Número de página
+
+certSign.title=Firma de certificado
+certSign.header=Firme un PDF con su certificado (Trabajo en progreso)
+certSign.selectPDF=Seleccione un archivo PDF para firmar:
+certSign.selectKey=Seleccione su archivo de clave privada (formato PKCS#8, podría ser .pem o .der):
+certSign.selectCert=Seleccione su archivo de certificado (formato X.509, podría ser .pem o .der):
+certSign.selectP12=Seleccione su archivo de almacén de claves PKCS#12 (.p12 o .pfx) (Opcional, si se proporciona, debe contener su clave privada y certificado):
+certSign.certType=Tipo de certificado
+certSign.password=Ingrese su almacén de claves o contraseña de clave privada (si corresponde):
+certSign.showSig=Mostrar firma
+certSign.reason=Razón
+certSign.location=Ubicación
+certSign.name=Nombre
+certSign.submit=Firmar PDF
 
 removeBlanks.title=Eliminar espacios en blanco
 removeBlanks.header=Eliminar páginas en blanco
 removeBlanks.threshold=Umbral:
-removeBlanks.thresholdDesc=Umbral para determinar qué tan blanco debe ser un píxel blanco
+removeBlanks.thresholdDesc=Umbral para determinar cuán blanco debe ser un píxel blanco
 removeBlanks.whitePercent=Porcentaje de blanco (%):
 removeBlanks.whitePercentDesc=Porcentaje de página que debe ser blanca para ser eliminada
 removeBlanks.submit=Eliminar espacios en blanco
@@ -172,12 +188,12 @@ ScannerImageSplit.selectText.10=Establece el tamaño del borde agregado y elimin
 navbar.settings=Ajustes
 settings.title=Ajustes
 settings.update=Actualización disponible
-settings.appVersion=Version de la aplicacion:
+settings.appVersion=Versión de la aplicación:
-settings.downloadOption.title=Elija la opción de descarga (para descargas de un solo archivo sin zip):
+settings.downloadOption.title=Elige la opción de descarga (para descargas de un solo archivo sin ZIP):
 settings.downloadOption.1=Abre en la misma ventana
 settings.downloadOption.2=Abre en una nueva ventana
 settings.downloadOption.3=Descarga el fichero
-settings.zipThreshold=Ficheros Zip cuando excede el número de ficheros descargados
+settings.zipThreshold=Ficheros ZIP cuando excede el número de ficheros descargados
 
 
                             
@@ -213,55 +229,53 @@ extractImages.submit=Extraer
 fileToPDF.title=Fichero a PDF
 fileToPDF.header=Convierte cualquier fichero a PDF
 fileToPDF.credit=Este servicio usa LibreOffice y Unoconv para la conversión de ficheros.
-fileToPDF.supportedFileTypes=Los tipos de ficheros soportados deben incluir los de abajo sin embargo para una completa y acutualizada lista de formatos soportados, por favor consulte la documentación de LibreOffice
+fileToPDF.supportedFileTypes=Los tipos de ficheros soportados deben incluir los de abajo; sin embargo para una completa y acutualizada lista de formatos soportados, por favor consulte la documentación de LibreOffice
 fileToPDF.submit=Convertir a PDF
 
 
 #compress
 compress.title=Comprimir
 compress.header=Comprimir PDF
-compress.credit=Este servicio usa OCRmyPDF para la Compresión/Optimizatión del PDF.
+compress.credit=Este servicio utiliza Ghostscript para compresión/optimización de PDF.
-compress.selectText.1=Nivel de Optimización:
+compress.selectText.1=Modo manual - De 1 a 4
-compress.selectText.2=0 (Sin optimización)
+compress.selectText.2=Nivel de optimización:
-compress.selectText.3=1 (Por defecto, optimización sin pérdidas)
+compress.selectText.3=4 (Terrible para imágenes de texto)
-compress.selectText.4=2 (Optimización con pérdida)
+compress.selectText.4=Modo automático: ajusta automáticamente la calidad para que el PDF tenga el tamaño exacto
-compress.selectText.5=3 (Optimización con pérdida, más agresiva)
+compress.selectText.5=Tamaño de PDF esperado (por ejemplo, 25 MB, 10,8 MB, 25 KB)
-compress.selectText.6=Habilita la vista web rápida (linealizar PDF)
-compress.selectText.7=Habilita la codificación JBIG2 con pérdida
 compress.submit=Comprimir
 
 
 #Add image
-addImage.title=Añade Imagen
+addImage.title=Añadir Imagen
-addImage.header=Añade image de PDF
+addImage.header=Añadir image de PDF
 addImage.everyPage=¿Todas las páginas?
-addImage.submit=Añade imagen
+addImage.submit=Añadir imagen
 
 
 #merge
-merge.title=Une
+merge.title=Unir
-merge.header=Une múltiples PDFs (2+)
+merge.header=Unir múltiples PDFs (2+)
-merge.submit=Une
+merge.submit=Unir
 
 #pdfOrganiser
 pdfOrganiser.title=Organizador de páginas
 pdfOrganiser.header=Organizador de páginas PDF
-pdfOrganiser.submit=Organiza páginas
+pdfOrganiser.submit=Organizar páginas
 
 #herramienta multiple
-multiTool.title=Multiherramienta PDF
+multiTool.title=Multi-herramienta PDF
-multiTool.header=Multiherramienta PDF
+multiTool.header=Multi-herramienta PDF
 
 #pageRemover
 pageRemover.title=Eliminador de páginas
 pageRemover.header=Eliminador de páginas PDF
 pageRemover.pagesToDelete=Páginas a eliminar (Introduzca una lista de números de página separados por coma):
-pageRemover.submit=Elimina Páginas
+pageRemover.submit=Eliminar Páginas
 
 #rotate
 rotate.title=Rotar PDF
 rotate.header=Rotar PDF
-rotate.SeleccionaAngle=Selecciona ángulo de rotación (múltiple de 90 grados):
+rotate.SeleccionaAngle=Seleccionar ángulo de rotación (múltiple de 90 grados):
 rotate.submit=Rotar
 
 
@@ -270,7 +284,7 @@ rotate.submit=Rotar
 #merge
 split.title=Dividir PDF
 split.header=Dividir PDF
-split.desc.1=Los números que selecciona son el número de página en el que desea hacer una división
+split.desc.1=Los números que selecciones son el número de página en el que desea hacer una división
 split.desc.2=Como tal, seleccionar 1,3,7-8 dividiría un documento de 10 páginas en 6 archivos PDF separados con:
 split.desc.3=Documento #1: Página 1
 split.desc.4=Documento #2: Páginas 2 y 3
@@ -278,7 +292,7 @@ split.desc.5=Documento #3: Páginas 4, 5 y 6
 split.desc.6=Documento #4: Página 7
 split.desc.7=Documento #5: Página 8
 split.desc.8=Documento #6: Páginas 9 y 10
-split.splitPages=Introduzca las páginas para dividir:
+split.splitPages=Introduce las páginas para dividir:
 split.submit=Dividir
 
 
@@ -287,9 +301,9 @@ imageToPDF.title=Imagen a PDF
 imageToPDF.header=Imagen a PDF
 imageToPDF.submit=Convertir
 imageToPDF.selectText.1=Estirar para ajustar
-imageToPDF.selectText.2=Auto rotación PDF
+imageToPDF.selectText.2=Rotación automática del PDF
 imageToPDF.selectText.3=Lógica de archivos múltiples (Únicamente activado si funciona con multiples imágenes)
-imageToPDF.selectText.4=Une en un único PDF
+imageToPDF.selectText.4=Unir en un único archivo PDF
 imageToPDF.selectText.5=Convertir a PDFs separados
                                    
 #pdfToImage
@@ -297,7 +311,7 @@ pdfToImage.title=PDF a Imagen
 pdfToImage.header=PDF a Imagen
 pdfToImage.selectText=Formato de Imagen
 pdfToImage.singleOrMultiple=Tipo resultante de imagen
-pdfToImage.single=Imagen Grande Única
+pdfToImage.single=Una Imagen Grande Única
 pdfToImage.multi=Múltiples Imágenes
 pdfToImage.colorType=Tipo de color
 pdfToImage.color=Color
@@ -306,9 +320,9 @@ pdfToImage.blackwhite=Blanco y Negro (¡Puedes perder datos!)
 pdfToImage.submit=Convertir
 
 #addPassword
-addPassword.title=Añade Contraseña
+addPassword.title=Añadir Contraseña
-addPassword.header=Añade contraseña (Encripta)
+addPassword.header=Añadir contraseña (Encriptar)
-addPassword.selectText.1=Selecciona PDF para encriptar
+addPassword.selectText.1=Seleccionar PDF para encriptar
 addPassword.selectText.2=Contraseña
 addPassword.selectText.3=Longitud de la clave de cifrado
 addPassword.selectText.4=Valores altos son más fuertes, pero valores bajos tienen mejor compatibilidad.
@@ -321,32 +335,32 @@ addPassword.selectText.10=Impedir modificación
 addPassword.selectText.11=Impedir modificación de anotaciones
 addPassword.selectText.12=Impedir imprimir
 addPassword.selectText.13=Impedir imprimir diferentes formatos
-addPassword.submit=Encripta
+addPassword.submit=Encriptar
 
 #watermark
-watermark.title=Añade marca de agua
+watermark.title=Añadir marca de agua
-watermark.header=Añade marca de agua
+watermark.header=Añadir marca de agua
-watermark.selectText.1=Selecciona PDF para añadir marca de agua:
+watermark.selectText.1=Seleccionar PDF para añadir marca de agua:
 watermark.selectText.2=Texto de la marca de agua:
 watermark.selectText.3=Tamaño de la Fuente:
 watermark.selectText.4=Rotación (0-360):
 watermark.selectText.5=Ancho (Espacio entre cada marca de agua horizontalmente):
 watermark.selectText.6=Alto (Espacio entre cada marca de agua verticalmente):
 watermark.selectText.7=Opacidad (0% - 100%):
-watermark.submit=Añade marca de agua
+watermark.submit=Añadir marca de agua
 
 #remove-watermark
-remove-watermark.title=Elimina marca de agua
+remove-watermark.title=Eliminar marca de agua
-remove-watermark.header=Elimina marca de agua
+remove-watermark.header=Eliminar marca de agua
-remove-watermark.selectText.1=Selecciona PDF para eliminar la marca de agua:
+remove-watermark.selectText.1=Seleccionar PDF para eliminar la marca de agua:
 remove-watermark.selectText.2=Texto de la marca de agua:
-remove-watermark.submit=Elimina marca de agua
+remove-watermark.submit=Eliminar marca de agua
 
 #Change permissions
 permissions.title=Cambiar Permisos
 permissions.header=Cambiar Permisos
-permissions.warning=Advertencia para que estos permisos no se puedan cambiar, se recomienda configurarlos con una contraseña a través de la página de cambio de contraseña
+permissions.warning=Advertencia: para que estos permisos no se puedan cambiar, se recomienda configurarlos con una contraseña a través de la página de cambio de contraseña
-permissions.selectText.1=Selecciona PDF para cambiar los permisos
+permissions.selectText.1=Seleccionar PDF para cambiar los permisos
 permissions.selectText.2=Permisos a establecer
 permissions.selectText.3=Impedir el ensamblaje del documento
 permissions.selectText.4=Impedir la extracción de contenido
@@ -359,34 +373,34 @@ permissions.selectText.10=Impedir imprimir diferentes formatos
 permissions.submit=Cambiar
 
 #remove password
-removePassword.title=Elimina contraseña
+removePassword.title=Eliminar contraseña
-removePassword.header=Elimina contraseña (Desencripta)
+removePassword.header=Eliminar contraseña (Desencriptar)
-removePassword.selectText.1=Selecciona PDF para Desencriptar
+removePassword.selectText.1=Seleccionar PDF para Desencriptar
 removePassword.selectText.2=Contraseña
-removePassword.submit=Elimina
+removePassword.submit=Eliminar
 
-changeMetadata.title=Cambia Metadatos
+changeMetadata.title=Cambiar Metadatos
-changeMetadata.header=Cambia Metadatos
+changeMetadata.header=Cambiar Metadatos
-changeMetadata.selectText.1=Edite las variables que desea cambiar
+changeMetadata.selectText.1=Editar las variables que desea cambiar
-changeMetadata.selectText.2=Elimina todos los metadatos
+changeMetadata.selectText.2=Eliminar todos los metadatos
 changeMetadata.selectText.3=Mostrar metadatos personalizados:
 changeMetadata.author=Autor:
-changeMetadata.creationDate=Fecha de Creación (yyyy/MM/dd HH:mm:ss):
+changeMetadata.creationDate=Fecha de Creación (aaaa/MM/dd HH:mm:ss):
 changeMetadata.creator=Creador:
 changeMetadata.keywords=Palabras clave:
-changeMetadata.modDate=Fecha de Modificación (yyyy/MM/dd HH:mm:ss):
+changeMetadata.modDate=Fecha de Modificación (aaaa/MM/dd HH:mm:ss):
 changeMetadata.producer=Productor:
 changeMetadata.subject=Asunto:
 changeMetadata.title=Título:
 changeMetadata.trapped=Trapped:
 changeMetadata.selectText.4=Otros Metadatos:
 changeMetadata.selectText.5=Agregar entrada de metadatos personalizados
-changeMetadata.submit=Cambia
+changeMetadata.submit=Cambiar
 
 xlsToPdf.title=Excel a PDF
 xlsToPdf.header=Excel a PDF
-xlsToPdf.selectText.1=Selecciona hoja de cálculo de Excel XLS o XLSX para convertir
+xlsToPdf.selectText.1=Seleccionar hoja de cálculo de Excel XLS o XLSX para convertir
-xlsToPdf.convert=convertir
+xlsToPdf.convert=Convertir
 
 
 
@@ -411,8 +425,8 @@ PDFToPresentation.credit=Este servicio utiliza LibreOffice para la conversión d
 PDFToPresentation.submit=Convertir
 
 
-PDFToText.title=PDF a texto/RTF
+PDFToText.title=PDF a TXT/RTF
-PDFToText.header=PDF a texto/RTF
+PDFToText.header=PDF a TXT/RTF
 PDFToText.selectText.1=Formato de archivo de salida
 PDFToText.credit=Este servicio utiliza LibreOffice para la conversión de archivos.
 PDFToText.submit=Convertir

src/main/resources/messages_fr_FR.properties

@@ -133,6 +133,22 @@ home.compare.desc=Compare et affiche les différences entre 2 documents PDF
 downloadPdf=Télécharger le PDF
 text=Texte
 font=Police
+selectFilter=-- Sélectionner --
+pageNum=numéro de page
+
+certSign.title=Signature du certificat
+certSign.header=Signer un PDF avec votre certificat (Travail en cours)
+certSign.selectPDF=Sélectionnez un fichier PDF à signer :
+certSign.selectKey=Sélectionnez votre fichier de clé privée (format PKCS#8, peut être .pem ou .der) :
+certSign.selectCert=Sélectionnez votre fichier de certificat (format X.509, peut être .pem ou .der) :
+certSign.selectP12=Sélectionnez votre fichier de magasin de clés PKCS#12 (.p12 ou .pfx) (facultatif, s'il est fourni, il doit contenir votre clé privée et votre certificat) :
+certSign.certType=Type de certificat
+certSign.password=Entrez votre mot de passe de keystore ou de clé privée (le cas échéant) :
+certSign.showSig=Afficher la signature
+certSign.reason=Raison
+certSign.location=Emplacement
+certSign.name=Nom
+certSign.submit=Signer le PDF
 
 removeBlanks.title=Supprimer les blancs
 removeBlanks.header=Supprimer les pages vierges
@@ -229,14 +245,12 @@ addImage.submit=Ajouter une image
 #compress
 compress.title=Compresser
 compress.header=Compresser le PDF
-compress.credit=Ce service utilise OCRmyPDF pour la compression/optimisation PDF.
+compress.credit=Ce service utilise Ghostscript pour PDF Compress/Optimisation.
-compress.selectText.1=Niveau d'optimisation :
+compress.selectText.1=Mode manuel - De 1 à 4
-compress.selectText.2=0 (pas d'optimisation)
+compress.selectText.2=Niveau d'optimisation :
-compress.selectText.3=1 (par défaut, optimisation sans perte)
+compress.selectText.3=4 (Terrible pour les images de texte)
-compress.selectText.4=2 (optimisation avec perte)
+compress.selectText.4=Mode automatique - Ajuste automatiquement la qualité pour obtenir le PDF à la taille exacte
-compress.selectText.5=3 (optimisation avec perte, plus agressive)
+compress.selectText.5=Taille PDF attendue (par exemple, 25 Mo, 10,8 Mo, 25 Ko)
-compress.selectText.6=Activer l'affichage Web rapide (linéariser PDF)
-compress.selectText.7=Activer l'encodage JBIG2 avec perte
 compress.submit=Compresser
 
 

src/main/resources/messages_it_IT.properties

@@ -128,6 +128,22 @@ home.compare.desc=Vedi e compara le differenze tra due PDF.
 downloadPdf=Scarica PDF
 text=Testo
 font=Font
+selectFillter=-- Seleziona --
+pageNum=Numero pagina
+
+certSign.title=Firma del certificato
+certSign.header=Firma un PDF con il tuo certificato (Lavoro in corso)
+certSign.selectPDF=Seleziona un file PDF per la firma:
+certSign.selectKey=Seleziona il file della tua chiave privata (formato PKCS#8, potrebbe essere .pem o .der):
+certSign.selectCert=Seleziona il tuo file di certificato (formato X.509, potrebbe essere .pem o .der):
+certSign.selectP12=Selezionare il file keystore PKCS#12 (.p12 o .pfx) (facoltativo, se fornito, dovrebbe contenere la chiave privata e il certificato):
+certSign.certType=Tipo di certificato
+certSign.password=Inserisci la tua password dell'archivio chiavi o della chiave privata (se presente):
+certSign.showSig=Mostra firma
+certSign.reason=Motivo
+certSign.location=Posizione
+certSign.name=Nome
+certSign.submit=Firma PDF
 
 removeBlanks.title=Rimuovi spazi vuoti
 removeBlanks.header=Rimuovi pagine vuote
@@ -222,17 +238,14 @@ fileToPDF.submit=Converti in PDF
 #compress
 compress.title=Comprimi
 compress.header=Comprimi PDF
-compress.credit=Questo servizio utilizza OCRmyPDF per la compressione e ottimizzazione.
+compress.credit=Questo servizio utilizza Ghostscript per la compressione/ottimizzazione dei PDF.
-compress.selectText.1=Livello di ottimizzazione:
+compress.selectText.1=Modalità manuale - Da 1 a 4
-compress.selectText.2=0 (Nessuna compressione)
+compress.selectText.2=Livello di ottimizzazione:
-compress.selectText.3=1 (Default, nessuna perdita di qualità)
+compress.selectText.3=4 (Terribile per le immagini di testo)
-compress.selectText.4=2 (Perdita di qualità)
+compress.selectText.4=Modalità automatica - Regola automaticamente la qualità per ottenere le dimensioni esatte del PDF
-compress.selectText.5=3 (Perdita di qualità, più aggressivo)
+compress.selectText.5=Dimensioni PDF previste (ad es. 25 MB, 10,8 MB, 25 KB)
-compress.selectText.6=Visualizzazione rapida sul web (linearizza PDF)
-compress.selectText.7=Attiva codifica JBIG2 (lossy)
 compress.submit=Comprimi
 
-
 #Add image
 addImage.title=Aggiungi Immagine
 addImage.header=Aggiungi un'immagine ad un PDF.

src/main/resources/messages_pl_PL.properties

@@ -6,7 +6,7 @@ language.direction=ltr
 
 pdfPrompt=Wybierz PDF
 multiPdfPrompt=Wybierz PDF (2+)
-multiPdfDropPrompt=Wybierz (lub przeciągnij i puść) wszystkie pliki PDF
+multiPdfDropPrompt=Wybierz (lub przeciągnij i puść) wszystkie dokumenty PDF
 imgPrompt=Wybierz obraz(y)
 genericSubmit=Wyślij
 processTimeWarning=Ostrzeżenie: Ten proces może potrwać do minuty, w zależności od rozmiaru pliku
@@ -23,29 +23,29 @@ bored=Znudzony czekaniem?
 #############
 # HOME-PAGE #
 #############
-home.desc=Twoja lokalna aplikacja do kompleksowej obsługi Twoich potrzeb związanych z plikami PDF.
+home.desc=Twoja lokalna aplikacja do kompleksowej obsługi Twoich potrzeb związanych z dokumentami PDF.
 
 
 navbar.convert=Konwertuj
 navbar.security=Bezpieczeństwo
 navbar.other=Inne
 navbar.darkmode=Tryb nocny
-navbar.pageOps=Operacje strony
+navbar.pageOps=Strony
 
-home.multiTool.title=Wielofunkcyjne narzędzie PDF
+home.multiTool.title=Multi narzędzie PDF
 home.multiTool.desc=Łącz, dziel, obracaj, zmieniaj kolejność i usuwaj strony
 
 home.merge.title=Połącz
-home.merge.desc=Łatwe łączenie wielu plików PDF w jeden.
+home.merge.desc=Łatwe łączenie wielu dokumentów PDF w jeden.
 
 home.split.title=Podziel
-home.split.desc=Podziel pliki PDF na wiele dokumentów
+home.split.desc=Podziel dokument PDF na wiele dokumentów
 
 home.rotate.title=Obróć
-home.rotate.desc=Łatwo obracaj pliki PDF.
+home.rotate.desc=Łatwo obracaj dokumenty PDF.
 
 home.imageToPdf.title=Obraz na PDF
-home.imageToPdf.desc=Konwertuj obraz (PNG, JPEG, GIF) do formatu PDF.
+home.imageToPdf.desc=Konwertuj obraz (PNG, JPEG, GIF) do dokumentu PDF.
 
 home.pdfToImage.title=PDF na Obraz
 home.pdfToImage.desc=Konwertuj plik PDF na obraz (PNG, JPEG, GIF).
@@ -54,7 +54,7 @@ home.pdfOrganiser.title=Uporządkuj
 home.pdfOrganiser.desc=Usuń/Zmień kolejność stron w dowolnej kolejności
 
 home.addImage.title=Dodaj obraz
-home.addImage.desc=Dodaje obraz do wybranej lokalizacji w dokumencie PDF (komponent w budowie)
+home.addImage.desc=Dodaje obraz w wybranym miejscu w dokumencie PDF (komponent w budowie)
 
 home.watermark.title=Dodaj znak wodny
 home.watermark.desc=Dodaj niestandardowy znak wodny do dokumentu PDF.
@@ -78,46 +78,46 @@ home.compressPdfs.title=Kompresuj
 home.compressPdfs.desc=Kompresuj dokumenty PDF, aby zmniejszyć ich rozmiar.
 
 home.changeMetadata.title=Zmień metadane
-home.changeMetadata.desc=Zmień/Usuń/Dodaj metadane z dokumentu PDF
+home.changeMetadata.desc=Zmień/Usuń/Dodaj metadane w dokumencie PDF
 
-home.fileToPDF.title=Konwertuj plik do formatu PDF
+home.fileToPDF.title=Konwertuj plik do dokumentu PDF
-home.fileToPDF.desc=Konwertuj prawie każdy plik do formatu PDF (DOCX, PNG, XLS, PPT, TXT i więcej)
+home.fileToPDF.desc=Konwertuj prawie każdy plik do dokumentu PDF (DOCX, PNG, XLS, PPT, TXT i więcej)
 
 home.ocr.title=OCR / Zamiana na tekst
-home.ocr.desc=OCR skanuje i wykrywa tekst z obrazów w pliku PDF i zamienia go na tekst.
+home.ocr.desc=OCR skanuje i wykrywa tekst z obrazów w dokumencie PDF i zamienia go na tekst.
 
 home.extractImages.title=Wyodrębnij obrazy
-home.extractImages.desc=Wyodrębnia wszystkie obrazy z pliku PDF i zapisuje je w formacie zip
+home.extractImages.desc=Wyodrębnia wszystkie obrazy z dokumentu PDF i zapisuje je w formacie zip
 
 home.pdfToPDFA.title=PDF na PDF/A
-home.pdfToPDFA.desc=Konwertuj pliki PDF na PDF/A w celu długoterminowego przechowywania
+home.pdfToPDFA.desc=Konwertuj dokument PDF na PDF/A w celu długoterminowego przechowywania
 
 home.PDFToWord.title=PDF na Word
-home.PDFToWord.desc=Konwertuj pliki PDF na formaty Microsoft Word (DOC, DOCX i ODT)
+home.PDFToWord.desc=Konwertuj dokument PDF na formaty Word (DOC, DOCX i ODT)
 
 home.PDFToPresentation.title=PDF na  Prezentację
-home.PDFToPresentation.desc=Konwertuj pliki PDF na formaty prezentacji (PPT, PPTX i ODP)
+home.PDFToPresentation.desc=Konwertuj dokument PDF na formaty prezentacji (PPT, PPTX i ODP)
 
 home.PDFToText.title=PDF na Tekst/RTF
-home.PDFToText.desc=Konwertuj PDF na tekst lub format RTF
+home.PDFToText.desc=Konwertuj dokument PDF na tekst lub format RTF
 
 home.PDFToHTML.title=PDF na HTML
-home.PDFToHTML.desc=Konwertuj PDF na format HTML
+home.PDFToHTML.desc=Konwertuj dokument PDF na format HTML
 
 home.PDFToXML.title=PDF na XML
-home.PDFToXML.desc=Konwertuj PDF na format XML
+home.PDFToXML.desc=Konwertuj dokument PDF na format XML
 
 home.ScannerImageSplit.title=Wykryj/Podziel zeskanowane zdjęcia
 home.ScannerImageSplit.desc=Podziel na wiele zdjęć z jednego zdjęcia/PDF
 
 home.sign.title=Podpis
-home.sign.desc=Dodaje podpis do pliku PDF za pomocą rysunku, tekstu lub obrazu
+home.sign.desc=Dodaje podpis do dokument PDF za pomocą rysunku, tekstu lub obrazu
 
 home.flatten.title=Spłaszcz
-home.flatten.desc=Usuń wszystkie interaktywne elementy i formularze z pliku PDF
+home.flatten.desc=Usuń wszystkie interaktywne elementy i formularze z dokumentu PDF
 
 home.repair.title=Napraw
-home.repair.desc=Spróbuj naprawić uszkodzony plik PDF
+home.repair.desc=Spróbuj naprawić uszkodzony dokument PDF
 
 home.removeBlanks.title=Usuń puste strony
 home.removeBlanks.desc=Wykrywa i usuwa puste strony z dokumentu PDF
@@ -128,6 +128,22 @@ home.compare.desc=Porównuje i pokazuje różnice między 2 dokumentami PDF
 downloadPdf=Pobierz PDF
 text=Tekst
 font=Czcionka
+selectFillter=-- Wybierz --
+pageNum=Numer strony
+
+certSign.title=Podpisywanie certyfikatu
+certSign.header=Podpisz plik PDF swoim certyfikatem (prace w toku)
+certSign.selectPDF=Wybierz plik PDF do podpisania:
+certSign.selectKey=Wybierz plik klucza prywatnego (format PKCS#8, może to być .pem lub .der):
+certSign.selectCert=Wybierz plik certyfikatu (format X.509, może to być .pem lub .der):
+certSign.selectP12=Wybierz plik magazynu kluczy PKCS#12 (.p12 lub .pfx) (opcjonalnie, jeśli jest podany, powinien zawierać klucz prywatny i certyfikat):
+certSign.certType=Typ certyfikatu
+certSign.password=Wprowadź hasło do magazynu kluczy lub klucza prywatnego (jeśli istnieje):
+certSign.showSig=Pokaż podpis
+certSign.reason=Powód
+certSign.location=Lokalizacja
+certSign.name=Nazwa
+certSign.submit=Podpisz PDF
 
 removeBlanks.title=Usuń puste
 removeBlanks.header=Usuń puste strony
@@ -144,7 +160,7 @@ compare.document.2=Dokument 2
 compare.submit=Porównaj
 
 sign.title=Podpis
-sign.header=Dodaj podpis do PDF(a)
+sign.header=Dodaj podpis do dokumentu PDF
 sign.upload=Wczytaj opbraz
 sign.draw=Narysuj podpis
 sign.text=Wprowadź tekst
@@ -152,11 +168,11 @@ sign.clear=Wyczyść
 sign.add=Dodaj
 
 repair.title=Napraw
-repair.header=Napraw PDF(y)
+repair.header=Napraw dokument(y) PDF
 repair.submit=Napraw
 
 flatten.title=Spłaszcz
-flatten.header=Spłaszcz PDF(y)
+flatten.header=Spłaszcz dokument(y) PDF
 flatten.submit=Spłaszcz
 
 ScannerImageSplit.selectText.1=Próg kąta:
@@ -187,11 +203,11 @@ settings.zipThreshold=Spakuj pliki, gdy liczba pobranych plików przekroczy
 #OCR
 ocr.title=OCR / Zamiana na tekst
 ocr.header=OCR / Zamiana na tekst (optyczne rozpoznawanie znaków)
-ocr.selectText.1=Wybierz języki, które mają zostać wykryte w pliku PDF (te z listy to języki, które są obecnie wykrywane):
+ocr.selectText.1=Wybierz języki, które mają zostać wykryte w dokumencie PDF (te z listy to języki, które są obecnie wykrywane):
-ocr.selectText.2=Utwórz plik tekstowy zawierający tekst OCR wraz z plikiem PDF z OCR
+ocr.selectText.2=Utwórz plik tekstowy zawierający tekst OCR oraz dokument PDF z OCR
 ocr.selectText.3=Prawidłowe strony zostały zeskanowane pod przekrzywionym kątem przez obrócenie ich z powrotem na miejsce
-ocr.selectText.4=Wyczyść stronę, więc jest mniej prawdopodobne, że OCR znajdzie tekst w szumie tła. (Brak zmiany wyjścia)
+ocr.selectText.4=Wyczyść stronę, więc jest mniej prawdopodobne że OCR znajdzie tekst w obrazie tła. (Brak zmiany wyjścia)
-ocr.selectText.5=Wyczyść stronę, więc jest mniej prawdopodobne, że OCR znajdzie tekst w szumie tła, utrzymuje porządek na wyjściu.
+ocr.selectText.5=Wyczyść stronę, więc jest mniej prawdopodobne że OCR znajdzie tekst w obrazie tła, utrzymuje porządek na wyjściu.
 ocr.selectText.6=Ignoruje strony zawierające interaktywny tekst, tylko strony OCR, które są obrazami
 ocr.selectText.7=Wymuś OCR, każda strona usunie wszystkie oryginalne elementy tekstowe
 ocr.selectText.8=Normalny (wystąpi błąd, jeśli plik PDF zawiera tekst)
@@ -207,13 +223,13 @@ ocr.submit=Przetwarzaj PDF za pomocą OCR
 
 extractImages.title=Wyodrębnij obrazy
 extractImages.header=Wyodrębnij obrazy
-extractImages.selectText=Wybierz format obrazu, aby przekonwertować wyodrębnione obrazy
+extractImages.selectText=Wybierz format obrazu, aby je przekonwertować
 extractImages.submit=Wyodrębnij
 
 
 #File to PDF
 fileToPDF.title=Plik na PDF
-fileToPDF.header=Konwertuj kady plik na PDF
+fileToPDF.header=Konwertuj kady plik na dokument PDF
 fileToPDF.credit=Ta usługa używa LibreOffice i Unoconv do konwersji plików.
 fileToPDF.supportedFileTypes=Obsługiwane typy plików powinny być zgodne z poniższymi, jednak pełną zaktualizowaną listę obsługiwanych formatów można znaleźć w dokumentacji LibreOffice
 fileToPDF.submit=Konwertuj na PDF
@@ -222,17 +238,14 @@ fileToPDF.submit=Konwertuj na PDF
 #compress
 compress.title=Kompresuj
 compress.header=Kompresuj PDF
-compress.credit=Ta usługa wykorzystuje OCRmyPDF do kompresji/optymalizacji PDF.
+compress.credit=Ta usługa używa Ghostscript do kompresji/optymalizacji PDF.
-compress.selectText.1=Poziom optymalizacji:
+compress.selectText.1=Tryb ręczny - Od 1 do 4
-compress.selectText.2=0 (Brak optymalizacji)
+compress.selectText.2=Poziom optymalizacji:
-compress.selectText.3=1 (Domyślna, bezstratna optymalizacja)
+compress.selectText.3=4 (Straszne dla obrazów tekstowych)
-compress.selectText.4=2 (Stratna optymalizacja)
+compress.selectText.4=Tryb automatyczny - Automatycznie dostosowuje jakość, aby uzyskać dokładny rozmiar pliku PDF
-compress.selectText.5=3 (Stratna optymalizacja, bardziej agresywna)
+compress.selectText.5=Oczekiwany rozmiar pliku PDF (np. 25 MB, 10,8 MB, 25 KB)
-compress.selectText.6=Włącz szybki podgląd w Internecie (linearyzacja PDF)
-compress.selectText.7=Włącz stratne kodowanie JBIG2
 compress.submit=Kompresuj
 
-
 #Add image
 addImage.title=Dodaj obraz
 addImage.header=Dodaj obraz do PDF
@@ -242,7 +255,7 @@ addImage.submit=Dodaj obraz
 
 #merge
 merge.title=Połącz
-merge.header=Połącz wiele plików PDF (2+)
+merge.header=Połącz wiele dokumentów PDF (2+)
 merge.submit=Połącz
 
 #pdfOrganiser
@@ -251,19 +264,19 @@ pdfOrganiser.header=Kolejność stron PDF
 pdfOrganiser.submit=Zmień kolejność stron
 
 #multiTool
-multiTool.title=Wielofunkcyjne narzędzie PDF
+multiTool.title=Multi narzędzie PDF
-multiTool.header=Wielofunkcyjne narzędzie PDF
+multiTool.header=Multi narzędzie PDF
 
 
 #pageRemover
 pageRemover.title=Narzędzie do usuwania stron
-pageRemover.header=Narzędzie do usuwania stron w plikach PDF
+pageRemover.header=Narzędzie do usuwania stron w dokumentach PDF
 pageRemover.pagesToDelete=Strony do usunięcia (wprowadź listę numerów stron oddzielonych przecinkami):
 pageRemover.submit=Usuń strony
 
 #rotate
-rotate.title=Obróć plik PDF
+rotate.title=Obróć dokument PDF
-rotate.header=Obróć plik PDF
+rotate.header=Obróć dokument PDF
 rotate.selectAngle=Wybierz kąt obrotu (domyślnie 90 stopni):
 rotate.submit=Obróć
 
@@ -271,8 +284,8 @@ rotate.submit=Obróć
 
 
 #merge
-split.title=Podziel plik PDF
+split.title=Podziel dokument PDF
-split.header=Podziel plik PDF
+split.header=Podziel dokument PDF
 split.desc.1=Wybrane numery to numery stron, na których chcesz dokonać podziału
 split.desc.2=Np. taki wybór 1,3,7-8 podzieliłby 10-stronicowy dokument na 6 oddzielnych plików PDF z:
 split.desc.3=Dokument #1: Strona 1
@@ -292,8 +305,8 @@ imageToPDF.submit=Konwertuj
 imageToPDF.selectText.1=Rozciągnij, aby dopasować
 imageToPDF.selectText.2=Automatyczne obracanie PDF
 imageToPDF.selectText.3=Logika wielu plików (dostępna tylko w przypadku pracy z wieloma obrazami)
-imageToPDF.selectText.4=Połącz w jeden plik PDF
+imageToPDF.selectText.4=Połącz w jeden dokument PDF
-imageToPDF.selectText.5=Konwertuj na osobne pliki PDF
+imageToPDF.selectText.5=Konwertuj na osobne dokumenty PDF
                                    
 #pdfToImage
 pdfToImage.title=PDF na Obraz
@@ -329,7 +342,7 @@ addPassword.submit=Zablokuj
 #watermark
 watermark.title=Dodaj znak wodny
 watermark.header=Dodaj znak wodny
-watermark.selectText.1=Wybierz plik PDF, do którego chcesz dodać znak wodny:
+watermark.selectText.1=Wybierz dokument PDF, do którego chcesz dodać znak wodny:
 watermark.selectText.2=Treść znaku wodnego:
 watermark.selectText.3=Rozmiar czcionki:
 watermark.selectText.4=Obrót (0-360):
@@ -341,7 +354,7 @@ watermark.submit=Dodaj znak wodny
 #remove-watermark
 remove-watermark.title=Usuń znak wodny
 remove-watermark.header=Usuń znak wodny
-remove-watermark.selectText.1=Wybierz PDF, aby usunąć znak wodny z:
+remove-watermark.selectText.1=Wybierz dokument PDF, aby usunąć znak wodny z:
 remove-watermark.selectText.2=Treść zanku wodnego:
 remove-watermark.submit=Usuń znak wodny
 
@@ -349,7 +362,7 @@ remove-watermark.submit=Usuń znak wodny
 permissions.title=Zmień uprawnienia
 permissions.header=Zmień uprawnienia
 permissions.warning=Ostrzeżenie, aby te uprawnienia były zablokowane, zaleca się ustawienie hasła na stronie dodawania hasła
-permissions.selectText.1=Wybierz PDF, aby zmienić uprawnienia
+permissions.selectText.1=Wybierz dokument PDF, aby zmienić uprawnienia
 permissions.selectText.2=Uprawnienia do zmian
 permissions.selectText.3=Zablokuj zmiany w dokumencie
 permissions.selectText.4=Zablokuj zmiany w treści
@@ -364,7 +377,7 @@ permissions.submit=Zmień
 #remove password
 removePassword.title=Usuń hasło
 removePassword.header=Usuń hasło (odszyfruj)
-removePassword.selectText.1=Wybierz plik PDF do odszyfrowania
+removePassword.selectText.1=Wybierz dokument PDF do odszyfrowania
 removePassword.selectText.2=Hasło
 removePassword.submit=Usuń
 

src/main/resources/messages_ru_RU.properties

@@ -128,6 +128,22 @@ home.compare.desc=Сравнивает и показывает различия
 downloadPdf=Скачать PDF
 text=Текст
 font=Шрифт
+selectFillter=-- Выбрать --
+pageNum=номер страницы
+
+certSign.title=Подписание сертификата
+certSign.header=Подпишите PDF своим сертификатом (работа в процессе)
+certSign.selectPDF=Выберите файл PDF для подписи:
+certSign.selectKey=Выберите файл закрытого ключа (формат PKCS#8, может быть .pem или .der):
+certSign.selectCert=Выберите файл сертификата (формат X.509, может быть .pem или .der):
+certSign.selectP12=Выберите файл хранилища ключей PKCS#12 (.p12 или .pfx) (необязательно, если он предоставлен, он должен содержать ваш закрытый ключ и сертификат):
+certSign.certType=Тип сертификата
+certSign.password=Введите пароль от хранилища ключей или личного ключа (если есть):
+certSign.showSig=Показать подпись
+certSign.reason=Причина
+certSign.location=Местоположение
+certSign.name=Имя
+certSign.submit=Подписать PDF
 
 removeBlanks.title=Удалить Пустые
 removeBlanks.header=Удалить Пустые Страницы
@@ -222,14 +238,12 @@ fileToPDF.submit=Преобразовать в PDF
 #compress
 compress.title=Сжать
 compress.header=Сжать PDF
-compress.credit=Этот сервис использует OCRmyPDF для сжатия/оптимизации PDF.
+compress.credit=Эта служба использует Ghostscript для сжатия/оптимизации PDF.
-compress.selectText.1=Уровень оптимизации:
+compress.selectText.1=Ручной режим - от 1 до 4
-compress.selectText.2=0 (Без оптимизации)
+compress.selectText.2=Уровень оптимизации:
-compress.selectText.3=1 (Оптимизация по умолчанию без потерь)
+compress.selectText.3=4 (Ужасно для текстовых изображений)
-compress.selectText.4=2 (Оптимизация с потерями)
+compress.selectText.4=Автоматический режим - автоматически настраивает качество для получения PDF точного размера
-compress.selectText.5=3 (Оптимизация с потерями, более агрессивная)
+compress.selectText.5=Ожидаемый размер PDF (например, 25 МБ, 10,8 МБ, 25 КБ)
-compress.selectText.6=Включить быстрый веб-просмотр (линеаризовать PDF)
-compress.selectText.7=Включить кодирование JBIG2 с потерями
 compress.submit=Сжать
 
 

src/main/resources/messages_sv_SE.properties

@@ -128,6 +128,22 @@ home.compare.desc=Jämför och visar skillnaderna mellan 2 PDF-dokument
 downloadPdf=Ladda ner PDF
 text=Text
 font=Teckensnitt
+selectFillter=-- Välj --
+pageNum=Sidnummer
+
+certSign.title=Certifikatsignering
+certSign.header=Skriv under en PDF med ditt certifikat (Pågående arbete)
+certSign.selectPDF=Välj en PDF-fil för signering:
+certSign.selectKey=Välj din privata nyckelfil (PKCS#8-format, kan vara .pem eller .der):
+certSign.selectCert=Välj din certifikatfil (X.509-format, kan vara .pem eller .der):
+certSign.selectP12=Välj din PKCS#12-nyckellagringsfil (.p12 eller .pfx) (Valfritt, om den tillhandahålls bör den innehålla din privata nyckel och certifikat):
+certSign.certType=Certifikattyp
+certSign.password=Ange ditt nyckellager eller privata nyckellösenord (om något):
+certSign.showSig=Visa signatur
+certSign.reason=Anledning
+certSign.location=Plats
+certSign.name=Namn
+certSign.submit=Skriv under PDF
 
 removeBlanks.title=Ta bort tomrum
 removeBlanks.header=Ta bort tomma sidor
@@ -222,14 +238,12 @@ fileToPDF.submit=Konvertera till PDF
 #komprimera
 compress.title=Komprimera
 compress.header=Komprimera PDF
-compress.credit=Denna tjänst använder OCRmyPDF för PDF-komprimering/optimering.
+compress.credit=Denna tjänst använder Ghostscript för PDF-komprimering/optimering.
-compress.selectText.1=Optimeringsnivå:
+compress.selectText.1=Manuellt läge - Från 1 till 4
-compress.selectText.2=0 (Ingen optimering)
+compress.selectText.2=Optimeringsnivå:
-compress.selectText.3=1 (Standard, förlustfri optimering)
+compress.selectText.3=4 (Fruktansvärt för textbilder)
-compress.selectText.4=2 (förlustoptimering)
+compress.selectText.4=Autoläge - Autojusterar kvaliteten för att få PDF till exakt storlek
-compress.selectText.5=3 (förlustoptimering, mer aggressiv)
+compress.selectText.5=Förväntad PDF-storlek (t.ex. 25MB, 10,8MB, 25KB)
-compress.selectText.6=Aktivera snabb webbvy (linjärisera PDF)
-compress.selectText.7=Aktivera JBIG2-kodning med förlust
 compress.submit=Komprimera
 
 

src/main/resources/messages_zh_CN.properties

@@ -128,6 +128,22 @@ home.compare.desc=\u6BD4\u8F83\u5E76\u663E\u793A 2 \u4E2A PDF \u6587\u6863\u4E4B
 downloadPdf=\u4E0B\u8F7DPDF
 text=\u6587\u672C
 font=\u5B57\u4F53
+selectFillter=-- 选择--
+pageNum=页码
+
+certSign.title=证书签名
+certSign.header=使用您的证书签署 PDF（进行中）
+certSign.selectPDF=选择要签名的 PDF 文件：
+certSign.selectKey=选择您的私钥文件（PKCS#8 格式，可以是 .pem 或 .der）：
+certSign.selectCert=选择您的证书文件（X.509 格式，可以是 .pem 或 .der）：
+certSign.selectP12=选择您的 PKCS#12 密钥库文件（.p12 或 .pfx）（可选，如果提供，它应该包含您的私钥和证书）：
+certSign.certType=证书类型
+certSign.password=输入您的密钥库或私钥密码（如果有）：
+certSign.showSig=显示签名
+certSign.reason=原因
+certSign.location=位置
+certSign.name=名称
+certSign.submit=签署 PDF
 
 removeBlanks.title=\u5220\u9664\u7A7A\u767D
 removeBlanks.header=\u5220\u9664\u7A7A\u767D\u9875
@@ -221,14 +237,12 @@ fileToPDF.submit=转换为 PDF
 #compress
 compress.title=压缩
 compress.header=压缩PDF
-compress.credit=此服务使用OCRmyPDF进行PDF压缩/优化。
+compress.credit=此服务使用 Ghostscript 进行 PDF 压缩/优化。
-compress.selectText.1=优化水平：
+compress.selectText.1=手动模式 - 从 1 到 4
-compress.selectText.2=0 (无优化)
+compress.selectText.2=优化级别：
-compress.selectText.3=1 (默认，无损优化)
+compress.selectText.3=4（文本图像很糟糕）
-compress.selectText.4=2 (有损优化)
+compress.selectText.4=自动模式 - 自动调整质量以获得精确大小的 PDF
-compress.selectText.5=3 (有损优化，更激进)
+compress.selectText.5=预期 PDF 大小（例如 25MB、10.8MB、25KB）
-compress.selectText.6=启用快速网络视图（线性化PDF）。
-compress.selectText.7=启用有损的JBIG2编码
 compress.submit=压缩
 
 

src/main/resources/static/css/dark-mode.css

@@ -5,6 +5,11 @@ body {
     background-color: rgb(var(--body-background-color)) !important;
     color: rgb(var(--base-font-color))  !important;
 }
+.card {
+  background-color: rgb(var(--body-background-color)) !important;
+  border: 1px solid #999;
+  color: rgb(var(--base-font-color)) !important;
+}
 
 .dark-card {
   background-color: rgb(var(--body-background-color)) !important;

src/main/resources/static/images/award.svg

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-award" viewBox="0 0 16 16">
+  <path d="M9.669.864 8 0 6.331.864l-1.858.282-.842 1.68-1.337 1.32L2.6 6l-.306 1.854 1.337 1.32.842 1.68 1.858.282L8 12l1.669-.864 1.858-.282.842-1.68 1.337-1.32L13.4 6l.306-1.854-1.337-1.32-.842-1.68L9.669.864zm1.196 1.193.684 1.365 1.086 1.072L12.387 6l.248 1.506-1.086 1.072-.684 1.365-1.51.229L8 10.874l-1.355-.702-1.51-.229-.684-1.365-1.086-1.072L3.614 6l-.25-1.506 1.087-1.072.684-1.365 1.51-.229L8 1.126l1.356.702 1.509.229z"/>
+  <path d="M4 11.794V16l4-1 4 1v-4.206l-2.018.306L8 13.126 6.018 12.1 4 11.794z"/>
+</svg>

src/main/resources/templates/fragments/common.html

@@ -218,7 +218,7 @@ document.addEventListener("DOMContentLoaded", function () {
     </dialog>
 </th:block>
 
-<th:block th:fragment="fileSelector(name, multiple)"  th:with="accept=${accept} ?: '*/*', inputText=${inputText} ?: #{pdfPrompt}, remoteCall=${remoteCall} ?: 'true'">
+<th:block th:fragment="fileSelector(name, multiple)"  th:with="accept=${accept} ?: '*/*', inputText=${inputText} ?: #{pdfPrompt}, remoteCall=${remoteCall} ?: 'true', notRequired=${notRequired} ?: false">
     <script>
         $(document).ready(function() {
             $('form').submit(async function(event) {
@@ -486,7 +486,7 @@ document.addEventListener("DOMContentLoaded", function () {
 
     <div class="custom-file-chooser">
         <div class="custom-file">
-            <input type="file" class="custom-file-input" th:name="${name}" th:id="${name}+'-input'" th:accept="${accept}" multiple required>
+            <input type="file" class="custom-file-input" th:name="${name}" th:id="${name}+'-input'" th:accept="${accept}" multiple th:classappend="${notRequired ? '' : 'required'}">
             <label class="custom-file-label" th:for="${name}+'-input'" th:text="${inputText}"></label>
         </div>
         <div class="selected-files"></div>

src/main/resources/templates/fragments/navbar.html

@@ -186,7 +186,7 @@ function compareVersions(version1, version2) {
 
 <li class="nav-item nav-item-separator"></li>
                    
-                  <li class="nav-item dropdown" th:classappend="${currentPage}=='add-password' OR ${currentPage}=='remove-password' OR ${currentPage}=='add-watermark' OR ${currentPage}=='remove-watermark' ? 'active' : ''">
+                  <li class="nav-item dropdown" th:classappend="${currentPage}=='add-password' OR ${currentPage}=='remove-password' OR ${currentPage}=='add-watermark' OR ${currentPage}=='cert-sign' ? 'active' : ''">
                     <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                         <img class="icon" src="images/shield-check.svg" alt="icon" style="width: 16px; height: 16px; vertical-align: middle;"> <span class="icon-text"  th:text="#{navbar.security}"></span>
                     </a>
@@ -195,12 +195,12 @@ function compareVersions(version1, version2) {
                         <div th:replace="~{fragments/navbarEntry :: navbarEntry ('remove-password', 'images/unlock.svg', 'home.removePassword.title', 'home.removePassword.desc')}"></div>
                         <div th:replace="~{fragments/navbarEntry :: navbarEntry ('change-permissions', 'images/shield-lock.svg', 'home.permissions.title', 'home.permissions.desc')}"></div>
                         <div th:replace="~{fragments/navbarEntry :: navbarEntry ('add-watermark', 'images/droplet.svg', 'home.watermark.title', 'home.watermark.desc')}"></div>
-
+                        <div th:replace="~{fragments/navbarEntry :: navbarEntry ('cert-sign', 'images/award.svg', 'home.certSign.title', 'home.certSign.desc')}"></div>
                     </div>
                 </li>
 
                   <li class="nav-item nav-item-separator"></li> 
-                    <li class="nav-item dropdown" th:classappend="${currentPage}=='sign' OR ${currentPage}=='flatten' OR ${currentPage}=='add-image' OR ${currentPage}=='ocr-pdf' OR ${currentPage}=='change-permissions' OR ${currentPage}=='extract-images' OR ${currentPage}=='compress-pdf' ? 'active' : ''">
+                    <li class="nav-item dropdown" th:classappend="${currentPage}=='sign' OR ${currentPage}=='repair' OR ${currentPage}=='compare' OR ${currentPage}=='flatten' OR ${currentPage}=='remove-blanks' OR ${currentPage}=='extract-image-scans' OR ${currentPage}=='change-metadata' OR ${currentPage}=='add-image' OR ${currentPage}=='ocr-pdf' OR ${currentPage}=='change-permissions' OR ${currentPage}=='extract-images' OR ${currentPage}=='compress-pdf' ? 'active' : ''">
                         <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
                         <img class="icon" src="images/card-list.svg" alt="icon" style="width: 16px; height: 16px; vertical-align: middle;"> 
                         <span class="icon-text"  th:text="#{navbar.other}"></span>

src/main/resources/templates/home.html

@@ -71,6 +71,11 @@ filter: invert(0.2) sepia(2) saturate(50) hue-rotate(190deg);
 .favorite-icon img {
     filter: brightness(0);
 }
+
+.jumbotron {
+    padding: 3rem 3rem;  /* Reduce vertical padding */
+}
+
 </style>
 
 <body>
@@ -130,6 +135,8 @@ filter: invert(0.2) sepia(2) saturate(50) hue-rotate(190deg);
                 <div th:replace="~{fragments/card :: card(id='remove-blanks', cardTitle=#{home.removeBlanks.title}, cardText=#{home.removeBlanks.desc}, cardLink='remove-blanks', svgPath='images/blank-file.svg')}"></div>
                 <div th:replace="~{fragments/card :: card(id='compare', cardTitle=#{home.compare.title}, cardText=#{home.compare.desc}, cardLink='compare', svgPath='images/scales.svg')}"></div>
                 
+                <div th:replace="~{fragments/card :: card(id='cert-sign', cardTitle=#{home.certSign.title}, cardText=#{home.certSign.desc}, cardLink='cert-sign', svgPath='images/award.svg')}"></div>
+                
                 <script>
                 function toggleFavorite(element) {
                     var img = element.querySelector('img');

src/main/resources/templates/other/compress-pdf.html

@@ -16,28 +16,29 @@
                     <div class="col-md-6">
                         <h2 th:text="#{compress.header}"></h2>
                         <form action="#" th:action="@{/compress-pdf}" method="post" enctype="multipart/form-data">
-					        <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+                            <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
-					        <div>
+                            <div class="card mb-3">
-					            <label for="optimizeLevel" th:text="#{compress.selectText.1}"></label>
+                                <div class="card-body">
-					            <select name="optimizeLevel" id="optimizeLevel">
+                                    <h4 th:text="#{compress.selectText.1}"></h4>
-					                <option value="0"  th:text="#{compress.selectText.2}"></option>
+                                    <label for="optimizeLevel" th:text="#{compress.selectText.2}"></label>
-					                <option value="1" selected  th:text="#{compress.selectText.3}"></option>
+                                    <select name="optimizeLevel" id="optimizeLevel" class="form-control">
-					                <option value="2"  th:text="#{compress.selectText.4}"></option>
+                                        <option value="1">1</option>
-					                <option value="3" th:text="#{compress.selectText.5}"></option>
+                                        <option value="2" selected>2</option>
-					            </select>
+                                        <option value="3">3</option>
-					        </div>
+                                        <option value="4" th:text="#{compress.selectText.3}"></option>
-					        <div>
+                                    </select>
-					            <input type="checkbox" name="fastWebView" id="fastWebView">
+                                </div>
-					            <label for="fastWebView"  th:text="#{compress.selectText.6}"></label>
+                            </div>
-					        </div>
+                            
-					        <div>
+                            <div class="card mb-3">
-					            <input type="checkbox" name="jbig2Lossy" id="jbig2Lossy">
+                                <div class="card-body">
-					            <label for="jbig2Lossy" th:text="#{compress.selectText.7}"></label>
+                                    <h4 th:text="#{compress.selectText.4}"></h4>
-					        </div>
+                                    <label for="expectedOutputSize" th:text="#{compress.selectText.5}"></label>
-					        <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{compress.submit}"></button>
+                                    <input type="text" name="expectedOutputSize" id="expectedOutputSize" min="1" class="form-control">
-					    </form>
+                                </div>
-             			<p class="mt-3" th:text="#{compress.credit}"></p>
+                            </div>
-
+                            <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{compress.submit}"></button>
+                        </form>
                     </div>
                 </div>
             </div>

src/main/resources/templates/security/cert-sign.html

@@ -0,0 +1,135 @@
+<!DOCTYPE html>
+<html th:lang="${#locale.toString()}"
+	th:lang-direction="#{language.direction}"
+	xmlns:th="http://www.thymeleaf.org">
+
+<th:block
+	th:insert="~{fragments/common :: head(title=#{certSign.title})}"></th:block>
+
+<body>
+	<div id="page-container">
+		<div id="content-wrap">
+			<div th:insert="~{fragments/navbar.html :: navbar}"></div>
+			<br> <br>
+			<div class="container">
+				<div class="row justify-content-center">
+					<div class="col-md-6">
+						<h2 th:text="#{certSign.header}"></h2>
+
+						<form action="/cert-sign" method="post"
+							enctype="multipart/form-data">
+							<div class="form-group">
+								<label th:text="#{certSign.selectPDF}"></label>
+								<div
+									th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf')}"></div>
+							</div>
+							<div class="form-group">
+								<label for="certType" th:text="#{certSign.certType}"></label> <select
+									class="form-control" id="certType" name="certType">
+									<option value="" th:text="#{selectFillter}"></option>
+									<option value="PKCS12">PKCS12</option>
+									<option value="PEM">PEM</option>
+								</select>
+							</div>
+
+							<div class="form-group" id="p12Group" style="display: none;">
+								<label th:text="#{certSign.selectP12}"></label>
+								<div
+									th:replace="~{fragments/common :: fileSelector(name='p12', notRequired=true, multiple=false, accept='.p12,.pfx')}"></div>
+							</div>
+
+							<div id="pemGroup" style="display: none;">
+								<div class="form-group">
+									<label th:text="#{certSign.selectKey}"></label>
+									<div
+										th:replace="~{fragments/common :: fileSelector(name='key', multiple=false, notRequired=true, accept='.pem,.der')}"></div>
+								</div>
+								<div class="form-group">
+									<label th:text="#{certSign.selectCert}"></label>
+									<div
+										th:replace="~{fragments/common :: fileSelector(name='cert', multiple=false, notRequired=true, accept='.pem,.der')}"></div>
+								</div>
+							</div>
+
+							<div class="form-group">
+								<label th:text="#{certSign.password}"></label> <input
+									type="password" class="form-control" id="password"
+									name="password">
+							</div>
+                            
+							<div class="form-group">
+								<label><input type="checkbox" id="showSignature"
+									name="showSignature" th:text="#{signCert.showSig}"></label>
+							</div>
+
+							<div id="signatureDetails" style="display: none;">
+								<div class="form-group">
+									<label for="reason" th:text="#{signCert.reason}"></label> <input type="text"
+										class="form-control" id="reason" name="reason">
+								</div>
+								<div class="form-group">
+									<label for="location" th:text="#{signCert.location}"></label> <input type="text"
+										class="form-control" id="location" name="location">
+								</div>
+								<div class="form-group">
+									<label for="name" th:text="#{signCert.name}"></label> <input type="text"
+										class="form-control" id="name" name="name">
+								</div>
+								<div class="form-group">
+									<label for="pageNumber" th:text="#{pageNum}"></label> <input
+										type="number" class="form-control" id="pageNumber"
+										name="pageNumber" min="1">
+								</div>
+							</div>
+
+							<script type="text/javascript">
+								document
+										.getElementById('certType')
+										.addEventListener(
+												'change',
+												function() {
+													var p12Group = document
+															.getElementById('p12Group');
+													var pemGroup = document
+															.getElementById('pemGroup');
+													if (this.value === 'PKCS12') {
+														p12Group.style.display = 'block';
+														pemGroup.style.display = 'none';
+													} else if (this.value === 'PEM') {
+														p12Group.style.display = 'none';
+														pemGroup.style.display = 'block';
+													} else {
+														p12Group.style.display = 'none';
+														pemGroup.style.display = 'none';
+													}
+												});
+
+								document
+										.getElementById('showSignature')
+										.addEventListener(
+												'change',
+												function() {
+													var signatureDetails = document
+															.getElementById('signatureDetails');
+													if (this.checked) {
+														signatureDetails.style.display = 'block';
+													} else {
+														signatureDetails.style.display = 'none';
+													}
+												});
+							</script>
+
+
+							<div class="form-group text-center">
+								<button type="submit" id="submitBtn" class="btn btn-primary"
+									th:text="#{certSign.submit}"></button>
+							</div>
+						</form>
+					</div>
+				</div>
+			</div>
+		</div>
+		<div th:insert="~{fragments/footer.html :: footer}"></div>
+	</div>
+</body>
+</html>