diff --git a/src/main/java/stirling/software/SPDF/controller/api/RearrangePagesPDFController.java b/src/main/java/stirling/software/SPDF/controller/api/RearrangePagesPDFController.java
index 9530a39b..8ca5fc0f 100644
--- a/src/main/java/stirling/software/SPDF/controller/api/RearrangePagesPDFController.java
+++ b/src/main/java/stirling/software/SPDF/controller/api/RearrangePagesPDFController.java
@@ -19,12 +19,11 @@ 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 io.swagger.v3.oas.annotations.tags.Tag;
-import stirling.software.SPDF.utils.GeneralUtils;
-import stirling.software.SPDF.utils.WebResponseUtils;
 import stirling.software.SPDF.model.SortTypes;
 import stirling.software.SPDF.model.api.general.RearrangePagesRequest;
+import stirling.software.SPDF.utils.GeneralUtils;
+import stirling.software.SPDF.utils.WebResponseUtils;
 @RestController
 @RequestMapping("/api/v1/general")
 @Tag(name = "General", description = "General APIs")
diff --git a/src/main/java/stirling/software/SPDF/controller/web/GeneralWebController.java b/src/main/java/stirling/software/SPDF/controller/web/GeneralWebController.java
index e04626da..2571c785 100644
--- a/src/main/java/stirling/software/SPDF/controller/web/GeneralWebController.java
+++ b/src/main/java/stirling/software/SPDF/controller/web/GeneralWebController.java
@@ -21,6 +21,7 @@ import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
 
+import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
 import io.swagger.v3.oas.annotations.Hidden;
@@ -51,7 +52,8 @@ public class GeneralWebController {
 	        }
 	        List<Map<String, String>> pipelineConfigsWithNames = new ArrayList<>();
 	        for (String config : pipelineConfigs) {
-	            Map<String, Object> jsonContent = new ObjectMapper().readValue(config, Map.class);
+	        	Map<String, Object> jsonContent = new ObjectMapper().readValue(config, new TypeReference<Map<String, Object>>(){});
+
 	            String name = (String) jsonContent.get("name");
 	            Map<String, String> configWithName = new HashMap<>();
 	            configWithName.put("json", config);
diff --git a/src/main/java/stirling/software/SPDF/model/api/GeneralFile.java b/src/main/java/stirling/software/SPDF/model/api/GeneralFile.java
index 84710585..441d904a 100644
--- a/src/main/java/stirling/software/SPDF/model/api/GeneralFile.java
+++ b/src/main/java/stirling/software/SPDF/model/api/GeneralFile.java
@@ -4,8 +4,12 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
 
 @Data
+@EqualsAndHashCode
+@NoArgsConstructor
 public class GeneralFile {
 
 	 @Schema(description = "The input file")
diff --git a/src/main/java/stirling/software/SPDF/model/api/HandleDataRequest.java b/src/main/java/stirling/software/SPDF/model/api/HandleDataRequest.java
index d22c8f67..1d7a8afe 100644
--- a/src/main/java/stirling/software/SPDF/model/api/HandleDataRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/HandleDataRequest.java
@@ -1,10 +1,15 @@
 package stirling.software.SPDF.model.api;
 
+import org.springframework.web.multipart.MultipartFile;
+
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
-import org.springframework.web.multipart.MultipartFile;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
 
 @Data
+@NoArgsConstructor
+@EqualsAndHashCode
 public class HandleDataRequest {
 
     @Schema(description = "The input files")
diff --git a/src/main/java/stirling/software/SPDF/model/api/ImageFile.java b/src/main/java/stirling/software/SPDF/model/api/ImageFile.java
index 8c4c0cff..02079843 100644
--- a/src/main/java/stirling/software/SPDF/model/api/ImageFile.java
+++ b/src/main/java/stirling/software/SPDF/model/api/ImageFile.java
@@ -4,8 +4,12 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
 
 @Data
+@NoArgsConstructor
+@EqualsAndHashCode
 public class ImageFile {
 	@Schema(description = "The input image file")
     private MultipartFile fileInput;
diff --git a/src/main/java/stirling/software/SPDF/model/api/MultiplePDFFiles.java b/src/main/java/stirling/software/SPDF/model/api/MultiplePDFFiles.java
index 17bec404..937a4265 100644
--- a/src/main/java/stirling/software/SPDF/model/api/MultiplePDFFiles.java
+++ b/src/main/java/stirling/software/SPDF/model/api/MultiplePDFFiles.java
@@ -4,7 +4,11 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
 @Data
+@NoArgsConstructor
+@EqualsAndHashCode
 public class MultiplePDFFiles {
 	@Schema(description = "The input PDF files", type = "array", format = "binary")
     private MultipartFile[] fileInput;
diff --git a/src/main/java/stirling/software/SPDF/model/api/PDFComparison.java b/src/main/java/stirling/software/SPDF/model/api/PDFComparison.java
index 5d7871b0..1f902d88 100644
--- a/src/main/java/stirling/software/SPDF/model/api/PDFComparison.java
+++ b/src/main/java/stirling/software/SPDF/model/api/PDFComparison.java
@@ -1,15 +1,12 @@
 package stirling.software.SPDF.model.api;
 
-import java.io.IOException;
-import java.util.List;
-
-import org.apache.pdfbox.pdmodel.PDDocument;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
-import stirling.software.SPDF.utils.GeneralUtils;
 @Data
 @NoArgsConstructor
+@EqualsAndHashCode(callSuper=true)
 public class PDFComparison extends PDFFile {
 	
     @Schema(description = "The comparison type, accepts Greater, Equal, Less than", allowableValues = {
diff --git a/src/main/java/stirling/software/SPDF/model/api/PDFComparisonAndCount.java b/src/main/java/stirling/software/SPDF/model/api/PDFComparisonAndCount.java
index 8779ba57..14462f0a 100644
--- a/src/main/java/stirling/software/SPDF/model/api/PDFComparisonAndCount.java
+++ b/src/main/java/stirling/software/SPDF/model/api/PDFComparisonAndCount.java
@@ -1,15 +1,12 @@
 package stirling.software.SPDF.model.api;
 
-import java.io.IOException;
-import java.util.List;
-
-import org.apache.pdfbox.pdmodel.PDDocument;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
-import stirling.software.SPDF.utils.GeneralUtils;
 @Data
 @NoArgsConstructor
+@EqualsAndHashCode(callSuper=true)
 public class PDFComparisonAndCount extends PDFComparison {
 	@Schema(description = "Count")
     private String pageCount;
diff --git a/src/main/java/stirling/software/SPDF/model/api/PDFFile.java b/src/main/java/stirling/software/SPDF/model/api/PDFFile.java
index 0b304747..378b3c03 100644
--- a/src/main/java/stirling/software/SPDF/model/api/PDFFile.java
+++ b/src/main/java/stirling/software/SPDF/model/api/PDFFile.java
@@ -4,7 +4,9 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 @Data
+@EqualsAndHashCode
 public class PDFFile {
 	@Schema(description = "The input PDF file")
     private MultipartFile fileInput;
diff --git a/src/main/java/stirling/software/SPDF/model/api/PDFWithImageFormatRequest.java b/src/main/java/stirling/software/SPDF/model/api/PDFWithImageFormatRequest.java
index 9766fdbf..aa8fe08b 100644
--- a/src/main/java/stirling/software/SPDF/model/api/PDFWithImageFormatRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/PDFWithImageFormatRequest.java
@@ -2,8 +2,10 @@ package stirling.software.SPDF.model.api;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class PDFWithImageFormatRequest extends PDFFile {
 
     @Schema(description = "The output image format e.g., 'png', 'jpeg', or 'gif'", 
diff --git a/src/main/java/stirling/software/SPDF/model/api/PDFWithPageNums.java b/src/main/java/stirling/software/SPDF/model/api/PDFWithPageNums.java
index 4de315de..d53d8d12 100644
--- a/src/main/java/stirling/software/SPDF/model/api/PDFWithPageNums.java
+++ b/src/main/java/stirling/software/SPDF/model/api/PDFWithPageNums.java
@@ -4,12 +4,15 @@ import java.io.IOException;
 import java.util.List;
 
 import org.apache.pdfbox.pdmodel.PDDocument;
+
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
 import stirling.software.SPDF.utils.GeneralUtils;
 @Data
 @NoArgsConstructor
+@EqualsAndHashCode(callSuper=true)
 public class PDFWithPageNums extends PDFFile {
 	
 	@Schema(description = "The pages to select, Supports ranges (e.g., '1,3,5-9'), or 'all' or functions in the format 'an+b' where 'a' is the multiplier of the page number 'n', and 'b' is a constant (e.g., '2n+1', '3n', '6n-5')\"")
diff --git a/src/main/java/stirling/software/SPDF/model/api/converters/ConvertToImageRequest.java b/src/main/java/stirling/software/SPDF/model/api/converters/ConvertToImageRequest.java
index 34e36379..18026618 100644
--- a/src/main/java/stirling/software/SPDF/model/api/converters/ConvertToImageRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/converters/ConvertToImageRequest.java
@@ -2,10 +2,11 @@ package stirling.software.SPDF.model.api.converters;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
-import org.springframework.web.multipart.MultipartFile;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class ConvertToImageRequest extends PDFFile {
 
     @Schema(description = "The output image format", allowableValues = {"png", "jpeg", "jpg", "gif"})
diff --git a/src/main/java/stirling/software/SPDF/model/api/converters/ConvertToPdfRequest.java b/src/main/java/stirling/software/SPDF/model/api/converters/ConvertToPdfRequest.java
index 90325ed6..dba2dc5e 100644
--- a/src/main/java/stirling/software/SPDF/model/api/converters/ConvertToPdfRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/converters/ConvertToPdfRequest.java
@@ -1,10 +1,13 @@
 package stirling.software.SPDF.model.api.converters;
 
+import org.springframework.web.multipart.MultipartFile;
+
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
-import org.springframework.web.multipart.MultipartFile;
+import lombok.EqualsAndHashCode;
 
 @Data
+@EqualsAndHashCode
 public class ConvertToPdfRequest {
 
     @Schema(description = "The input images to be converted to a PDF file")
diff --git a/src/main/java/stirling/software/SPDF/model/api/converters/PdfToPresentationRequest.java b/src/main/java/stirling/software/SPDF/model/api/converters/PdfToPresentationRequest.java
index f1bf7a9d..0e8b79ad 100644
--- a/src/main/java/stirling/software/SPDF/model/api/converters/PdfToPresentationRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/converters/PdfToPresentationRequest.java
@@ -2,10 +2,11 @@ package stirling.software.SPDF.model.api.converters;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
-import org.springframework.web.multipart.MultipartFile;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class PdfToPresentationRequest extends PDFFile {
 
     @Schema(description = "The output Presentation format", allowableValues = {"ppt", "pptx", "odp"})
diff --git a/src/main/java/stirling/software/SPDF/model/api/converters/PdfToTextOrRTFRequest.java b/src/main/java/stirling/software/SPDF/model/api/converters/PdfToTextOrRTFRequest.java
index 8093cd45..687ed621 100644
--- a/src/main/java/stirling/software/SPDF/model/api/converters/PdfToTextOrRTFRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/converters/PdfToTextOrRTFRequest.java
@@ -2,9 +2,11 @@ package stirling.software.SPDF.model.api.converters;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class PdfToTextOrRTFRequest extends PDFFile {
 
     @Schema(description = "The output Text or RTF format", allowableValues = {"rtf", "txt:Text"})
diff --git a/src/main/java/stirling/software/SPDF/model/api/converters/PdfToWordRequest.java b/src/main/java/stirling/software/SPDF/model/api/converters/PdfToWordRequest.java
index de5a7c4e..87150c73 100644
--- a/src/main/java/stirling/software/SPDF/model/api/converters/PdfToWordRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/converters/PdfToWordRequest.java
@@ -2,9 +2,11 @@ package stirling.software.SPDF.model.api.converters;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class PdfToWordRequest extends PDFFile {
 
     @Schema(description = "The output Word document format", allowableValues = {"doc", "docx", "odt"})
diff --git a/src/main/java/stirling/software/SPDF/model/api/converters/UrlToPdfRequest.java b/src/main/java/stirling/software/SPDF/model/api/converters/UrlToPdfRequest.java
index 7d4e69ed..4607c153 100644
--- a/src/main/java/stirling/software/SPDF/model/api/converters/UrlToPdfRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/converters/UrlToPdfRequest.java
@@ -2,8 +2,10 @@ package stirling.software.SPDF.model.api.converters;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 
 @Data
+@EqualsAndHashCode
 public class UrlToPdfRequest {
 
     @Schema(description = "The input URL to be converted to a PDF file", required = true)
diff --git a/src/main/java/stirling/software/SPDF/model/api/filter/ContainsTextRequest.java b/src/main/java/stirling/software/SPDF/model/api/filter/ContainsTextRequest.java
index 4dc4e137..0b6cb1cb 100644
--- a/src/main/java/stirling/software/SPDF/model/api/filter/ContainsTextRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/filter/ContainsTextRequest.java
@@ -2,9 +2,11 @@ package stirling.software.SPDF.model.api.filter;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFWithPageNums;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class ContainsTextRequest extends PDFWithPageNums {
 
     @Schema(description = "The text to check for", required = true)
diff --git a/src/main/java/stirling/software/SPDF/model/api/filter/FileSizeRequest.java b/src/main/java/stirling/software/SPDF/model/api/filter/FileSizeRequest.java
index cffcd9a4..ce9a9236 100644
--- a/src/main/java/stirling/software/SPDF/model/api/filter/FileSizeRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/filter/FileSizeRequest.java
@@ -2,10 +2,11 @@ package stirling.software.SPDF.model.api.filter;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFComparison;
-import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class FileSizeRequest extends PDFComparison {
 
     @Schema(description = "File Size", required = true)
diff --git a/src/main/java/stirling/software/SPDF/model/api/filter/PageRotationRequest.java b/src/main/java/stirling/software/SPDF/model/api/filter/PageRotationRequest.java
index 8f36ae5d..d5fb9739 100644
--- a/src/main/java/stirling/software/SPDF/model/api/filter/PageRotationRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/filter/PageRotationRequest.java
@@ -2,10 +2,11 @@ package stirling.software.SPDF.model.api.filter;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFComparison;
-import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class PageRotationRequest extends PDFComparison {
 
     @Schema(description = "Rotation in degrees", required = true)
diff --git a/src/main/java/stirling/software/SPDF/model/api/filter/PageSizeRequest.java b/src/main/java/stirling/software/SPDF/model/api/filter/PageSizeRequest.java
index 0184ac90..12083636 100644
--- a/src/main/java/stirling/software/SPDF/model/api/filter/PageSizeRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/filter/PageSizeRequest.java
@@ -2,10 +2,11 @@ package stirling.software.SPDF.model.api.filter;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFComparison;
-import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class PageSizeRequest extends PDFComparison {
 
     @Schema(description = "Standard Page Size", required = true)
diff --git a/src/main/java/stirling/software/SPDF/model/api/general/CropPdfForm.java b/src/main/java/stirling/software/SPDF/model/api/general/CropPdfForm.java
index 52c0f269..52821515 100644
--- a/src/main/java/stirling/software/SPDF/model/api/general/CropPdfForm.java
+++ b/src/main/java/stirling/software/SPDF/model/api/general/CropPdfForm.java
@@ -1,13 +1,11 @@
 package stirling.software.SPDF.model.api.general;
+import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
-import org.springframework.web.multipart.MultipartFile;
-
-import io.swagger.v3.oas.annotations.Parameter;
-import io.swagger.v3.oas.annotations.media.Schema;
-
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class CropPdfForm extends PDFFile {
 
 
diff --git a/src/main/java/stirling/software/SPDF/model/api/general/MergeMultiplePagesRequest.java b/src/main/java/stirling/software/SPDF/model/api/general/MergeMultiplePagesRequest.java
index 6752b1b7..ab6e3510 100644
--- a/src/main/java/stirling/software/SPDF/model/api/general/MergeMultiplePagesRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/general/MergeMultiplePagesRequest.java
@@ -2,9 +2,11 @@ package stirling.software.SPDF.model.api.general;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class MergeMultiplePagesRequest extends PDFFile {
 
     @Schema(description = "The number of pages to fit onto a single sheet in the output PDF.",
diff --git a/src/main/java/stirling/software/SPDF/model/api/general/MergePdfsRequest.java b/src/main/java/stirling/software/SPDF/model/api/general/MergePdfsRequest.java
index 4e1ed397..c6d3f98c 100644
--- a/src/main/java/stirling/software/SPDF/model/api/general/MergePdfsRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/general/MergePdfsRequest.java
@@ -2,9 +2,11 @@ package stirling.software.SPDF.model.api.general;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.MultiplePDFFiles;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class MergePdfsRequest extends MultiplePDFFiles {
 	
     @Schema(description = "The type of sorting to be applied on the input files before merging.",
diff --git a/src/main/java/stirling/software/SPDF/model/api/general/RearrangePagesRequest.java b/src/main/java/stirling/software/SPDF/model/api/general/RearrangePagesRequest.java
index 4e054343..3e5b4f23 100644
--- a/src/main/java/stirling/software/SPDF/model/api/general/RearrangePagesRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/general/RearrangePagesRequest.java
@@ -2,11 +2,11 @@ package stirling.software.SPDF.model.api.general;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
-import org.springframework.web.multipart.MultipartFile;
-import stirling.software.SPDF.model.api.PDFFile;
-import stirling.software.SPDF.model.api.PDFWithPageNums;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.SortTypes;
+import stirling.software.SPDF.model.api.PDFWithPageNums;
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class RearrangePagesRequest extends PDFWithPageNums {
 
     @Schema(implementation = SortTypes.class, description = "The custom mode for page rearrangement. Valid values are:\n"
diff --git a/src/main/java/stirling/software/SPDF/model/api/general/RotatePDFRequest.java b/src/main/java/stirling/software/SPDF/model/api/general/RotatePDFRequest.java
index 58d268a8..8f48c605 100644
--- a/src/main/java/stirling/software/SPDF/model/api/general/RotatePDFRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/general/RotatePDFRequest.java
@@ -2,10 +2,11 @@ package stirling.software.SPDF.model.api.general;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
-import org.springframework.web.multipart.MultipartFile;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class RotatePDFRequest extends PDFFile {
 
     @Schema(description = "The angle by which to rotate the PDF file. This should be a multiple of 90.", example = "90")
diff --git a/src/main/java/stirling/software/SPDF/model/api/general/ScalePagesRequest.java b/src/main/java/stirling/software/SPDF/model/api/general/ScalePagesRequest.java
index 3411e1d2..51bdc5fc 100644
--- a/src/main/java/stirling/software/SPDF/model/api/general/ScalePagesRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/general/ScalePagesRequest.java
@@ -2,10 +2,11 @@ package stirling.software.SPDF.model.api.general;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
-import org.springframework.web.multipart.MultipartFile;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class ScalePagesRequest extends PDFFile {
 
     @Schema(description = "The scale of pages in the output PDF. Acceptable values are A0-A10, B0-B9, LETTER, TABLOID, LEDGER, LEGAL, EXECUTIVE.", 
diff --git a/src/main/java/stirling/software/SPDF/model/api/misc/AddPageNumbersRequest.java b/src/main/java/stirling/software/SPDF/model/api/misc/AddPageNumbersRequest.java
index e258b59a..313d42ab 100644
--- a/src/main/java/stirling/software/SPDF/model/api/misc/AddPageNumbersRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/misc/AddPageNumbersRequest.java
@@ -2,11 +2,11 @@ package stirling.software.SPDF.model.api.misc;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFWithPageNums;
 
-import org.springframework.web.multipart.MultipartFile;
-
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class AddPageNumbersRequest extends PDFWithPageNums {
 
     @Schema(description = "Custom margin: small/medium/large", allowableValues = {"small", "medium", "large"})
diff --git a/src/main/java/stirling/software/SPDF/model/api/misc/AutoSplitPdfRequest.java b/src/main/java/stirling/software/SPDF/model/api/misc/AutoSplitPdfRequest.java
index 822eb7a6..c4923746 100644
--- a/src/main/java/stirling/software/SPDF/model/api/misc/AutoSplitPdfRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/misc/AutoSplitPdfRequest.java
@@ -2,9 +2,11 @@ package stirling.software.SPDF.model.api.misc;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class AutoSplitPdfRequest extends PDFFile {
 
     @Schema(description = "Flag indicating if the duplex mode is active, where the page after the divider also gets removed.", required = false, defaultValue = "false")
diff --git a/src/main/java/stirling/software/SPDF/model/api/misc/ExtractHeaderRequest.java b/src/main/java/stirling/software/SPDF/model/api/misc/ExtractHeaderRequest.java
index d05b865e..9dda0d6f 100644
--- a/src/main/java/stirling/software/SPDF/model/api/misc/ExtractHeaderRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/misc/ExtractHeaderRequest.java
@@ -2,9 +2,11 @@ package stirling.software.SPDF.model.api.misc;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class ExtractHeaderRequest extends PDFFile {
 
     @Schema(description = "Flag indicating whether to use the first text as a fallback if no suitable title is found. Defaults to false.", required = false, defaultValue = "false")
diff --git a/src/main/java/stirling/software/SPDF/model/api/misc/ExtractImageScansRequest.java b/src/main/java/stirling/software/SPDF/model/api/misc/ExtractImageScansRequest.java
index 8a12fc47..f063e4fc 100644
--- a/src/main/java/stirling/software/SPDF/model/api/misc/ExtractImageScansRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/misc/ExtractImageScansRequest.java
@@ -4,8 +4,10 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 
 @Data
+@EqualsAndHashCode
 public class ExtractImageScansRequest {
     @Schema(description = "The input file containing image scans", required = true)
     private MultipartFile fileInput;
diff --git a/src/main/java/stirling/software/SPDF/model/api/misc/MetadataRequest.java b/src/main/java/stirling/software/SPDF/model/api/misc/MetadataRequest.java
index 586f83f5..0d909613 100644
--- a/src/main/java/stirling/software/SPDF/model/api/misc/MetadataRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/misc/MetadataRequest.java
@@ -1,12 +1,14 @@
 package stirling.software.SPDF.model.api.misc;
 
-import io.swagger.v3.oas.annotations.media.Schema;
-import lombok.Data;
-import stirling.software.SPDF.model.api.PDFFile;
-
 import java.util.Map;
 
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import stirling.software.SPDF.model.api.PDFFile;
+
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class MetadataRequest extends PDFFile {
 
     @Schema(description = "Delete all metadata if set to true")
diff --git a/src/main/java/stirling/software/SPDF/model/api/misc/OptimizePdfRequest.java b/src/main/java/stirling/software/SPDF/model/api/misc/OptimizePdfRequest.java
index 65028a7f..ca43b1eb 100644
--- a/src/main/java/stirling/software/SPDF/model/api/misc/OptimizePdfRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/misc/OptimizePdfRequest.java
@@ -2,9 +2,11 @@ package stirling.software.SPDF.model.api.misc;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class OptimizePdfRequest extends PDFFile {
 
     @Schema(description = "The level of optimization to apply to the PDF file. Higher values indicate greater compression but may reduce quality.",
diff --git a/src/main/java/stirling/software/SPDF/model/api/misc/OverlayImageRequest.java b/src/main/java/stirling/software/SPDF/model/api/misc/OverlayImageRequest.java
index 29350519..50ec4abb 100644
--- a/src/main/java/stirling/software/SPDF/model/api/misc/OverlayImageRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/misc/OverlayImageRequest.java
@@ -1,12 +1,14 @@
 package stirling.software.SPDF.model.api.misc;
 
-import io.swagger.v3.oas.annotations.media.Schema;
-import lombok.Data;
-import stirling.software.SPDF.model.api.PDFFile;
-
 import org.springframework.web.multipart.MultipartFile;
 
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import stirling.software.SPDF.model.api.PDFFile;
+
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class OverlayImageRequest extends PDFFile {
 
     @Schema(description = "The image file to be overlaid onto the PDF.")
diff --git a/src/main/java/stirling/software/SPDF/model/api/misc/ProcessPdfWithOcrRequest.java b/src/main/java/stirling/software/SPDF/model/api/misc/ProcessPdfWithOcrRequest.java
index a332a7ff..689e4211 100644
--- a/src/main/java/stirling/software/SPDF/model/api/misc/ProcessPdfWithOcrRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/misc/ProcessPdfWithOcrRequest.java
@@ -1,13 +1,14 @@
 package stirling.software.SPDF.model.api.misc;
 
-import io.swagger.v3.oas.annotations.media.Schema;
-import lombok.Data;
-import org.springframework.web.multipart.MultipartFile;
-import stirling.software.SPDF.model.api.PDFFile;
-
 import java.util.List;
 
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import stirling.software.SPDF.model.api.PDFFile;
+
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class ProcessPdfWithOcrRequest extends PDFFile {
 
     @Schema(description = "List of languages to use in OCR processing")
diff --git a/src/main/java/stirling/software/SPDF/model/api/misc/RemoveBlankPagesRequest.java b/src/main/java/stirling/software/SPDF/model/api/misc/RemoveBlankPagesRequest.java
index a7a92897..3f20e2f7 100644
--- a/src/main/java/stirling/software/SPDF/model/api/misc/RemoveBlankPagesRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/misc/RemoveBlankPagesRequest.java
@@ -2,9 +2,11 @@ package stirling.software.SPDF.model.api.misc;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class RemoveBlankPagesRequest extends PDFFile {
 
     @Schema(description = "The threshold value to determine blank pages", example = "10", defaultValue = "10")
diff --git a/src/main/java/stirling/software/SPDF/model/api/security/AddPasswordRequest.java b/src/main/java/stirling/software/SPDF/model/api/security/AddPasswordRequest.java
index 60bbcc6b..06a52d4f 100644
--- a/src/main/java/stirling/software/SPDF/model/api/security/AddPasswordRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/security/AddPasswordRequest.java
@@ -2,10 +2,11 @@ package stirling.software.SPDF.model.api.security;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
-import org.springframework.web.multipart.MultipartFile;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class AddPasswordRequest extends PDFFile {
 
     @Schema(description = "The owner password to be added to the PDF file (Restricts what can be done with the document once it is opened)", defaultValue = "")
diff --git a/src/main/java/stirling/software/SPDF/model/api/security/AddWatermarkRequest.java b/src/main/java/stirling/software/SPDF/model/api/security/AddWatermarkRequest.java
index 42d34af4..5fa3f0fb 100644
--- a/src/main/java/stirling/software/SPDF/model/api/security/AddWatermarkRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/security/AddWatermarkRequest.java
@@ -1,11 +1,14 @@
 package stirling.software.SPDF.model.api.security;
 
+import org.springframework.web.multipart.MultipartFile;
+
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
-import org.springframework.web.multipart.MultipartFile;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class AddWatermarkRequest extends PDFFile {
 
     @Schema(description = "The watermark type (text or image)", required = true)
diff --git a/src/main/java/stirling/software/SPDF/model/api/security/PDFPasswordRequest.java b/src/main/java/stirling/software/SPDF/model/api/security/PDFPasswordRequest.java
index c1acd32c..94d04d1e 100644
--- a/src/main/java/stirling/software/SPDF/model/api/security/PDFPasswordRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/security/PDFPasswordRequest.java
@@ -2,10 +2,11 @@ package stirling.software.SPDF.model.api.security;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
-import org.springframework.web.multipart.MultipartFile;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class PDFPasswordRequest extends PDFFile {
 
     @Schema(description = "The password of the PDF file", required = true)
diff --git a/src/main/java/stirling/software/SPDF/model/api/security/RedactPdfRequest.java b/src/main/java/stirling/software/SPDF/model/api/security/RedactPdfRequest.java
index fff02ff5..1f77bd03 100644
--- a/src/main/java/stirling/software/SPDF/model/api/security/RedactPdfRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/security/RedactPdfRequest.java
@@ -2,10 +2,11 @@ package stirling.software.SPDF.model.api.security;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
-import org.springframework.web.multipart.MultipartFile;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class RedactPdfRequest extends PDFFile {
 
     @Schema(description = "List of text to redact from the PDF", type = "string", required = true)
diff --git a/src/main/java/stirling/software/SPDF/model/api/security/SanitizePdfRequest.java b/src/main/java/stirling/software/SPDF/model/api/security/SanitizePdfRequest.java
index 280f2021..310ee59c 100644
--- a/src/main/java/stirling/software/SPDF/model/api/security/SanitizePdfRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/security/SanitizePdfRequest.java
@@ -2,10 +2,11 @@ package stirling.software.SPDF.model.api.security;
 
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
-import org.springframework.web.multipart.MultipartFile;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class SanitizePdfRequest extends PDFFile {
 
     @Schema(description = "Remove JavaScript actions from the PDF", defaultValue = "false")
diff --git a/src/main/java/stirling/software/SPDF/model/api/security/SignPDFWithCertRequest.java b/src/main/java/stirling/software/SPDF/model/api/security/SignPDFWithCertRequest.java
index 5344bf4d..5b2122c6 100644
--- a/src/main/java/stirling/software/SPDF/model/api/security/SignPDFWithCertRequest.java
+++ b/src/main/java/stirling/software/SPDF/model/api/security/SignPDFWithCertRequest.java
@@ -1,11 +1,14 @@
 package stirling.software.SPDF.model.api.security;
 
+import org.springframework.web.multipart.MultipartFile;
+
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
-import org.springframework.web.multipart.MultipartFile;
+import lombok.EqualsAndHashCode;
 import stirling.software.SPDF.model.api.PDFFile;
 
 @Data
+@EqualsAndHashCode(callSuper=true)
 public class SignPDFWithCertRequest extends PDFFile {
 
     @Schema(description = "The type of the digital certificate", allowableValues = { "PKCS12", "PEM" })