init

build.gradle

@@ -98,6 +98,8 @@ dependencies {
 	implementation 'com.github.vladimir-bukhtoyarov:bucket4j-core:7.6.0'
     
     developmentOnly("org.springframework.boot:spring-boot-devtools")
+	compileOnly 'org.projectlombok:lombok:1.18.28'
+	annotationProcessor 'org.projectlombok:lombok:1.18.28'
 
 }
 

src/main/java/stirling/software/SPDF/controller/api/CropController.java

@@ -13,6 +13,7 @@ import org.apache.pdfbox.pdmodel.graphics.form.PDFormXObject;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
@@ -22,6 +23,7 @@ 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.model.api.general.CropPdfForm;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
@@ -32,18 +34,13 @@ public class CropController {
 
 	@PostMapping(value = "/crop", consumes = "multipart/form-data")
 	@Operation(summary = "Crops a PDF document", description = "This operation takes an input PDF file and crops it according to the given coordinates. Input:PDF Output:PDF Type:SISO")
-	public ResponseEntity<byte[]> cropPdf(
+	public ResponseEntity<byte[]> cropPdf(@ModelAttribute CropPdfForm form)
-			@Parameter(description = "The input PDF file", required = true) @RequestParam("fileInput") MultipartFile file,
-			@Parameter(description = "The x-coordinate of the top-left corner of the crop area", required = true, schema = @Schema(type = "number")) @RequestParam("x") float x,
-			@Parameter(description = "The y-coordinate of the top-left corner of the crop area", required = true, schema = @Schema(type = "number")) @RequestParam("y") float y,
-			@Parameter(description = "The width of the crop area", required = true, schema = @Schema(type = "number")) @RequestParam("width") float width,
-			@Parameter(description = "The height of the crop area", required = true, schema = @Schema(type = "number")) @RequestParam("height") float height)
 			throws IOException {
 
 
 		
 
-PDDocument sourceDocument = PDDocument.load(new ByteArrayInputStream(file.getBytes()));
+PDDocument sourceDocument = PDDocument.load(new ByteArrayInputStream(form.getFileInput().getBytes()));
 
 PDDocument newDocument = new PDDocument();
 
@@ -65,7 +62,7 @@ for (int i = 0; i < totalPages; i++) {
     contentStream.saveGraphicsState();
     
     // Define the crop area
-    contentStream.addRect(x, y, width, height);
+    contentStream.addRect(form.getX(), form.getY(), form.getWidth(), form.getHeight());
     contentStream.clip();
 
     // Draw the entire formXObject
@@ -76,7 +73,7 @@ for (int i = 0; i < totalPages; i++) {
     contentStream.close();
     
     // Now, set the new page's media box to the cropped size
-    newPage.setMediaBox(new PDRectangle(x, y, width, height));
+    newPage.setMediaBox(new PDRectangle(form.getX(), form.getY(), form.getWidth(), form.getHeight()));
 }
 
 ByteArrayOutputStream baos = new ByteArrayOutputStream();
@@ -85,7 +82,7 @@ newDocument.close();
 sourceDocument.close();
 
 byte[] pdfContent = baos.toByteArray();
-return WebResponseUtils.bytesToWebResponse(pdfContent, file.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_cropped.pdf");
+return WebResponseUtils.bytesToWebResponse(pdfContent, form.getFileInput().getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_cropped.pdf");
 	}
 
 }

src/main/java/stirling/software/SPDF/controller/api/MergeController.java

@@ -15,6 +15,7 @@ import org.apache.pdfbox.pdmodel.PDPage;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RequestPart;
@@ -25,6 +26,8 @@ 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.model.api.general.CropPdfForm;
+import stirling.software.SPDF.model.api.general.MergePdfsRequest;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
@@ -88,20 +91,10 @@ private Comparator<MultipartFile> getSortComparator(String sortType) {
 @PostMapping(consumes = "multipart/form-data", value = "/merge-pdfs")
 @Operation(summary = "Merge multiple PDF files into one",
         description = "This endpoint merges multiple PDF files into a single PDF file. The merged file will contain all pages from the input files in the order they were provided. Input:PDF Output:PDF Type:MISO")
-public ResponseEntity<byte[]> mergePdfs(
+public ResponseEntity<byte[]> mergePdfs(@ModelAttribute MergePdfsRequest form) throws IOException {
-        @RequestPart(required = true, value = "fileInput") MultipartFile[] files,
-        @RequestParam(value = "sortType", defaultValue = "orderProvided") 
-        @Parameter(schema = @Schema(description = "The type of sorting to be applied on the input files before merging.",
-                        allowableValues = {
-                            "orderProvided", 
-                            "byFileName", 
-                            "byDateModified", 
-                            "byDateCreated", 
-                            "byPDFTitle"
-                        }))
-        String sortType) throws IOException {
 
-    Arrays.sort(files, getSortComparator(sortType));
+	MultipartFile[]  files = form.getFileInput();
+    Arrays.sort(files, getSortComparator(form.getSortType()));
 
     List<PDDocument> documents = new ArrayList<>();
     for (MultipartFile file : files) {

src/main/java/stirling/software/SPDF/controller/api/MultiPageLayoutController.java

@@ -14,6 +14,7 @@ import org.apache.pdfbox.util.Matrix;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
@@ -23,6 +24,7 @@ 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.model.api.general.MergeMultiplePagesRequest;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
@@ -36,12 +38,11 @@ public class MultiPageLayoutController {
 	    summary = "Merge multiple pages of a PDF document into a single page",
 	    description = "This operation takes an input PDF file and the number of pages to merge into a single sheet in the output PDF file. Input:PDF Output:PDF Type:SISO"
 	)
-	public ResponseEntity<byte[]> mergeMultiplePagesIntoOne(
+	public ResponseEntity<byte[]> mergeMultiplePagesIntoOne(@ModelAttribute MergeMultiplePagesRequest request)
-	        @Parameter(description = "The input PDF file", required = true) @RequestParam("fileInput") MultipartFile file,
-	        @Parameter(description = "The number of pages to fit onto a single sheet in the output PDF. Acceptable values are 2, 3, 4, 9, 16.", required = true, schema = @Schema(type = "integer", allowableValues = {
-	                "2", "3", "4", "9", "16" })) @RequestParam("pagesPerSheet") int pagesPerSheet)
 	        throws IOException {
 		
+			int pagesPerSheet = request.getPagesPerSheet();
+			MultipartFile file = request.getFileInput();
 		 if (pagesPerSheet != 2 && pagesPerSheet != 3 && pagesPerSheet != (int) Math.sqrt(pagesPerSheet) * Math.sqrt(pagesPerSheet)) {
 		        throw new IllegalArgumentException("pagesPerSheet must be 2, 3 or a perfect square");
 		    }

src/main/java/stirling/software/SPDF/controller/api/RearrangePagesPDFController.java

@@ -9,6 +9,7 @@ import org.apache.pdfbox.pdmodel.PDPage;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RequestPart;
@@ -21,7 +22,8 @@ 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;
 @RestController
 @Tag(name = "General", description = "General APIs")
 public class RearrangePagesPDFController {
@@ -51,9 +53,7 @@ public class RearrangePagesPDFController {
 
 	}
 
-	private enum CustomMode {
+	
-		REVERSE_ORDER, DUPLEX_SORT, BOOKLET_SORT, SIDE_STITCH_BOOKLET_SORT, ODD_EVEN_SPLIT, REMOVE_FIRST, REMOVE_LAST, REMOVE_FIRST_AND_LAST,
-	}
 
 	private List<Integer> removeFirst(int totalPages) {
 		if (totalPages <= 1)
@@ -137,9 +137,9 @@ public class RearrangePagesPDFController {
 		return newPageOrder;
 	}
 
-	private List<Integer> processCustomMode(String customMode, int totalPages) {
+	private List<Integer> processSortTypes(String sortTypes, int totalPages) {
 		try {
-			CustomMode mode = CustomMode.valueOf(customMode.toUpperCase());
+			SortTypes mode = SortTypes.valueOf(sortTypes.toUpperCase());
 			switch (mode) {
 			case REVERSE_ORDER:
 				return reverseOrder(totalPages);
@@ -168,16 +168,10 @@ public class RearrangePagesPDFController {
 
 	@PostMapping(consumes = "multipart/form-data", value = "/rearrange-pages")
 	@Operation(summary = "Rearrange pages in a PDF file", description = "This endpoint rearranges pages in a given PDF file based on the specified page order or custom mode. Users can provide a page order as a comma-separated list of page numbers or page ranges, or a custom mode. Input:PDF Output:PDF")
-	public ResponseEntity<byte[]> rearrangePages(
+	public ResponseEntity<byte[]> rearrangePages(@ModelAttribute RearrangePagesRequest request) throws IOException {
-			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file to rearrange pages") MultipartFile pdfFile,
+	    MultipartFile pdfFile = request.getFileInput();
-			@RequestParam(required = false, value = "pageOrder") @Parameter(description = "The new page order as a comma-separated list of page numbers, page ranges (e.g., '1,3,5-7'), 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')") String pageOrder,
+	    String pageOrder = request.getPageNumbers();
-			@RequestParam(required = false, value = "customMode") @Parameter(schema = @Schema(implementation = CustomMode.class, description = "The custom mode for page rearrangement. "
+	    String sortType = request.getCustomMode();
-					+ "Valid values are:\n" + "REVERSE_ORDER: Reverses the order of all pages.\n"
-					+ "DUPLEX_SORT: Sorts pages as if all fronts were scanned then all backs in reverse (1, n, 2, n-1, ...). "
-					+ "BOOKLET_SORT: Arranges pages for booklet printing (last, first, second, second last, ...).\n"
-					+ "ODD_EVEN_SPLIT: Splits and arranges pages into odd and even numbered pages.\n"
-					+ "REMOVE_FIRST: Removes the first page.\n" + "REMOVE_LAST: Removes the last page.\n"
-					+ "REMOVE_FIRST_AND_LAST: Removes both the first and the last pages.\n")) String customMode) {
 		try {
 			// Load the input PDF
 			PDDocument document = PDDocument.load(pdfFile.getInputStream());
@@ -186,10 +180,10 @@ public class RearrangePagesPDFController {
 			String[] pageOrderArr = pageOrder != null ? pageOrder.split(",") : new String[0];
 			int totalPages = document.getNumberOfPages();
 			System.out.println("pageOrder=" + pageOrder);
-			System.out.println("customMode length =" + customMode.length());
+			System.out.println("SortTypes length =" + sortType.length());
 			List<Integer> newPageOrder;
-			if (customMode != null && customMode.length() > 0) {
+			if (sortType != null && sortType.length() > 0) {
-				newPageOrder = processCustomMode(customMode, totalPages);
+				newPageOrder = processSortTypes(sortType, totalPages);
 			} else {
 				newPageOrder = GeneralUtils.parsePageList(pageOrderArr, totalPages);
 			}

src/main/java/stirling/software/SPDF/controller/api/RotationController.java

@@ -8,6 +8,7 @@ import org.apache.pdfbox.pdmodel.PDPageTree;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RequestPart;
@@ -17,6 +18,7 @@ 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.tags.Tag;
+import stirling.software.SPDF.model.api.general.RotatePDFRequest;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
 @RestController
@@ -31,13 +33,9 @@ public class RotationController {
         description = "This endpoint rotates a given PDF file by a specified angle. The angle must be a multiple of 90. Input:PDF Output:PDF Type:SISO"
     )
     public ResponseEntity<byte[]> rotatePDF(
-        @RequestPart(required = true, value = "fileInput")
+    		@ModelAttribute RotatePDFRequest request) throws IOException {
-        @Parameter(description = "The PDF file to be rotated", required = true)
+        MultipartFile pdfFile = request.getFileInput();
-            MultipartFile pdfFile,
+        Integer angle = request.getAngle();
-        @RequestParam("angle")
-        @Parameter(description = "The angle by which to rotate the PDF file. This should be a multiple of 90.", example = "90", required = true)
-            Integer angle) throws IOException {
-    	
         // Load the PDF document
         PDDocument document = PDDocument.load(pdfFile.getBytes());
 

src/main/java/stirling/software/SPDF/controller/api/ScalePagesController.java

@@ -15,6 +15,7 @@ import org.apache.pdfbox.util.Matrix;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
@@ -24,6 +25,7 @@ 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.model.api.general.ScalePagesRequest;
 import stirling.software.SPDF.utils.WebResponseUtils;
 @RestController
 @Tag(name = "General", description = "General APIs")
@@ -33,14 +35,10 @@ public class ScalePagesController {
 
 	@PostMapping(value = "/scale-pages", consumes = "multipart/form-data")
 	@Operation(summary = "Change the size of a PDF page/document", description = "This operation takes an input PDF file and the size to scale the pages to in the output PDF file. Input:PDF Output:PDF Type:SISO")
-	public ResponseEntity<byte[]> scalePages(
+	public ResponseEntity<byte[]> scalePages(@ModelAttribute ScalePagesRequest request) throws IOException {
-			@Parameter(description = "The input PDF file", required = true) @RequestParam("fileInput") MultipartFile file,
+	    MultipartFile file = request.getFileInput();
-			@Parameter(description = "The scale of pages in the output PDF. Acceptable values are A0-A10, B0-B9, LETTER, TABLOID, LEDGER, LEGAL, EXECUTIVE.", required = true, schema = @Schema(type = "string", allowableValues = {
+	    String targetPDRectangle = request.getTargetPDRectangle();
-					"A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", "A8", "A9", "A10", "B0", "B1", "B2", "B3", "B4",
+	    float scaleFactor = request.getScaleFactor();
-					"B5", "B6", "B7", "B8", "B9", "LETTER", "TABLOID", "LEDGER", "LEGAL",
-					"EXECUTIVE" })) @RequestParam("pageSize") String targetPDRectangle,
-			@Parameter(description = "The scale of the content on the pages of the output PDF. Acceptable values are floats.", required = true, schema = @Schema(type = "integer")) @RequestParam("scaleFactor") float scaleFactor)
-			throws IOException {
 
 		Map<String, PDRectangle> sizeMap = new HashMap<>();
 		// Add A0 - A10

src/main/java/stirling/software/SPDF/controller/api/SplitPDFController.java

@@ -17,6 +17,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RequestPart;
@@ -26,6 +27,7 @@ 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.tags.Tag;
+import stirling.software.SPDF.model.api.PDFWithPageNums;
 import stirling.software.SPDF.utils.GeneralUtils;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
@@ -38,35 +40,14 @@ public class SplitPDFController {
     @PostMapping(consumes = "multipart/form-data", value = "/split-pages")
     @Operation(summary = "Split a PDF file into separate documents",
             description = "This endpoint splits a given PDF file into separate documents based on the specified page numbers or ranges. Users can specify pages using individual numbers, ranges, or 'all' for every page. Input:PDF Output:PDF Type:SIMO")
-    public ResponseEntity<byte[]> splitPdf(
+    public ResponseEntity<byte[]> splitPdf(@ModelAttribute PDFWithPageNums request) throws IOException {
-            @RequestPart(required = true, value = "fileInput")
+    	MultipartFile file = request.getFileInput();
-            @Parameter(description = "The input PDF file to be split")
+        String pages = request.getPageNumbers();
-                    MultipartFile file,
-            @RequestParam("pages")
-            @Parameter(description = "The pages to be included in separate documents. Specify individual page numbers (e.g., '1,3,5'), ranges (e.g., '1-3,5-7'), or 'all' for every page.")
-                    String pages) throws IOException {
-        // parse user input
-
         // open the pdf document
         InputStream inputStream = file.getInputStream();
         PDDocument document = PDDocument.load(inputStream);
 
-        List<Integer> pageNumbers = new ArrayList<>();
+        List<Integer> pageNumbers = request.getPageNumbersList(document);
-        pages = pages.replaceAll("\\s+", ""); // remove whitespaces
-        if (pages.toLowerCase().equals("all")) {
-            for (int i = 0; i < document.getNumberOfPages(); i++) {
-                pageNumbers.add(i);
-            }
-        } else {
-            String[] splitPoints = pages.split(",");
-            for (String splitPoint : splitPoints) {
-                List<Integer> orderedPages = GeneralUtils.parsePageList(new String[] {splitPoint}, document.getNumberOfPages());
-                pageNumbers.addAll(orderedPages);
-            }
-            // Add the last page as a split point
-            pageNumbers.add(document.getNumberOfPages() - 1);
-        }
-
         logger.info("Splitting PDF into pages: {}", pageNumbers.stream().map(String::valueOf).collect(Collectors.joining(",")));
 
         // split the document

src/main/java/stirling/software/SPDF/controller/api/ToSinglePageController.java

@@ -13,6 +13,7 @@ import org.apache.pdfbox.pdmodel.graphics.form.PDFormXObject;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestPart;
 import org.springframework.web.bind.annotation.RestController;
@@ -21,6 +22,7 @@ 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.tags.Tag;
+import stirling.software.SPDF.model.api.PDFFile;
 import stirling.software.SPDF.utils.WebResponseUtils;
 @RestController
 @Tag(name = "General", description = "General APIs")
@@ -34,13 +36,10 @@ public class ToSinglePageController {
         summary = "Convert a multi-page PDF into a single long page PDF",
         description = "This endpoint converts a multi-page PDF document into a single paged PDF document. The width of the single page will be same as the input's width, but the height will be the sum of all the pages' heights. Input:PDF Output:PDF Type:SISO"
     )
-    public ResponseEntity<byte[]> pdfToSinglePage(
+    public ResponseEntity<byte[]> pdfToSinglePage(@ModelAttribute PDFFile request) throws IOException {
-        @RequestPart(required = true, value = "fileInput")
-        @Parameter(description = "The input multi-page PDF file to be converted into a single page", required = true)
-            MultipartFile file) throws IOException {
 
     	// Load the source document
-    	PDDocument sourceDocument = PDDocument.load(file.getInputStream());
+    	PDDocument sourceDocument = PDDocument.load(request.getFileInput().getInputStream());
 
     	// Calculate total height and max width
     	float totalHeight = 0;
@@ -79,7 +78,7 @@ public class ToSinglePageController {
     	sourceDocument.close();
 
     	byte[] result = baos.toByteArray();
-    	return WebResponseUtils.bytesToWebResponse(result, file.getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_singlePage.pdf");
+    	return WebResponseUtils.bytesToWebResponse(result, request.getFileInput().getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_singlePage.pdf");
 
 
 

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertEpubToPdf.java

@@ -14,6 +14,7 @@ import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestPart;
 import org.springframework.web.bind.annotation.RestController;
@@ -26,6 +27,8 @@ import org.xml.sax.InputSource;
 import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import stirling.software.SPDF.model.api.GeneralFile;
+import stirling.software.SPDF.model.api.PDFFile;
 import stirling.software.SPDF.utils.FileToPdf;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
@@ -40,9 +43,9 @@ public class ConvertEpubToPdf {
 	    description = "This endpoint takes an EPUB file input and converts it to a single PDF."
 	)
 	public ResponseEntity<byte[]> epubToSinglePdf(
-	        @RequestPart(required = true, value = "fileInput") MultipartFile fileInput) 
+			@ModelAttribute GeneralFile request) 
 	        throws Exception {
-
+		MultipartFile fileInput = request.getFileInput();
 	    if (fileInput == null) {
 	        throw new IllegalArgumentException("Please provide an EPUB file for conversion.");
 	    }

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertHtmlToPDF.java

@@ -3,6 +3,7 @@ package stirling.software.SPDF.controller.api.converters;
 import java.io.IOException;
 
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestPart;
 import org.springframework.web.bind.annotation.RestController;
@@ -10,6 +11,7 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import stirling.software.SPDF.model.api.GeneralFile;
 import stirling.software.SPDF.utils.FileToPdf;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
@@ -24,7 +26,9 @@ public class ConvertHtmlToPDF {
 	        description = "This endpoint takes an HTML or ZIP file input and converts it to a PDF format."
 	    )
 	    public ResponseEntity<byte[]> HtmlToPdf(
-	            @RequestPart(required = true, value = "fileInput") MultipartFile fileInput) throws IOException, InterruptedException {
+	    		@ModelAttribute GeneralFile request) 
+	    		        throws Exception {
+	    			MultipartFile fileInput = request.getFileInput();
 
 	        if (fileInput == null) {
 	            throw new IllegalArgumentException("Please provide an HTML or ZIP file for conversion.");

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertImgPDFController.java

@@ -11,6 +11,7 @@ import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RequestPart;
@@ -21,6 +22,8 @@ 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.model.api.converters.ConvertToImageRequest;
+import stirling.software.SPDF.model.api.converters.ConvertToPdfRequest;
 import stirling.software.SPDF.utils.PdfUtils;
 import stirling.software.SPDF.utils.WebResponseUtils;
 @RestController
@@ -32,22 +35,12 @@ public class ConvertImgPDFController {
     @PostMapping(consumes = "multipart/form-data", value = "/pdf-to-img")
     @Operation(summary = "Convert PDF to image(s)",
             description = "This endpoint converts a PDF file to image(s) with the specified image format, color type, and DPI. Users can choose to get a single image or multiple images.  Input:PDF Output:Image Type:SI-Conditional")
-    public ResponseEntity<Resource> convertToImage(
+    public ResponseEntity<Resource> convertToImage(@ModelAttribute ConvertToImageRequest request) throws IOException {
-            @RequestPart(required = true, value = "fileInput")
+        MultipartFile file = request.getFileInput();
-            @Parameter(description = "The input PDF file to be converted")
+        String imageFormat = request.getImageFormat();
-                    MultipartFile file,
+        String singleOrMultiple = request.getSingleOrMultiple();
-            @RequestParam("imageFormat")
+        String colorType = request.getColorType();
-            @Parameter(description = "The output image format", schema = @Schema(allowableValues = {"png", "jpeg", "jpg", "gif"}))
+        String dpi = request.getDpi();
-                    String imageFormat,
-            @RequestParam("singleOrMultiple")
-            @Parameter(description = "Choose between a single image containing all pages or separate images for each page", schema = @Schema(allowableValues = {"single", "multiple"}))
-                    String singleOrMultiple,
-            @RequestParam("colorType")
-            @Parameter(description = "The color type of the output image(s)", schema = @Schema(allowableValues = {"color", "greyscale", "blackwhite"}))
-                    String colorType,
-            @RequestParam("dpi")
-            @Parameter(description = "The DPI (dots per inch) for the output image(s)")
-                    String dpi) throws IOException {
         
         byte[] pdfBytes = file.getBytes();
         ImageType colorTypeResult = ImageType.RGB;
@@ -86,19 +79,12 @@ public class ConvertImgPDFController {
     @PostMapping(consumes = "multipart/form-data", value = "/img-to-pdf")
     @Operation(summary = "Convert images to a PDF file",
             description = "This endpoint converts one or more images to a PDF file. Users can specify whether to stretch the images to fit the PDF page, and whether to automatically rotate the images. Input:Image Output:PDF Type:SISO?")
-    public ResponseEntity<byte[]> convertToPdf(
+    public ResponseEntity<byte[]> convertToPdf(@ModelAttribute ConvertToPdfRequest request) throws IOException {
-            @RequestPart(required = true, value = "fileInput")
+        MultipartFile[] file = request.getFileInput();
-            @Parameter(description = "The input images to be converted to a PDF file")
+        boolean stretchToFit = request.isStretchToFit();
-                    MultipartFile[] file,
+        String colorType = request.getColorType();
-            @RequestParam(defaultValue = "false", name = "stretchToFit")
+        boolean autoRotate = request.isAutoRotate();
-            @Parameter(description = "Whether to stretch the images to fit the PDF page or maintain the aspect ratio", example = "false")
+        
-                    boolean stretchToFit,
-            @RequestParam("colorType")
-            @Parameter(description = "The color type of the output image(s)", schema = @Schema(allowableValues = {"color", "greyscale", "blackwhite"}))
-                    String colorType,
-            @RequestParam(defaultValue = "false", name = "autoRotate")
-            @Parameter(description = "Whether to automatically rotate the images to better fit the PDF page", example = "true")
-                    boolean autoRotate) throws IOException {
         // Convert the file to PDF and get the resulting bytes
         byte[] bytes = PdfUtils.imageToPdf(file, stretchToFit, autoRotate, colorType);
         return WebResponseUtils.bytesToWebResponse(bytes, file[0].getOriginalFilename().replaceFirst("[.][^.]+$", "") + "_converted.pdf");

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertMarkdownToPdf.java

@@ -6,6 +6,7 @@ import org.commonmark.node.Node;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestPart;
 import org.springframework.web.bind.annotation.RestController;
@@ -13,6 +14,7 @@ import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import stirling.software.SPDF.model.api.GeneralFile;
 import stirling.software.SPDF.utils.FileToPdf;
 import stirling.software.SPDF.utils.WebResponseUtils;
 
@@ -26,8 +28,9 @@ public class ConvertMarkdownToPdf {
         description = "This endpoint takes a Markdown file input, converts it to HTML, and then to PDF format."
     )
     public ResponseEntity<byte[]> markdownToPdf(
-            @RequestPart(required = true, value = "fileInput") MultipartFile fileInput) 
+    		@ModelAttribute GeneralFile request) 
-            throws IOException, InterruptedException {
+    		        throws Exception {
+    			MultipartFile fileInput = request.getFileInput();
         
         if (fileInput == null) {
             throw new IllegalArgumentException("Please provide a Markdown file for conversion.");

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertOfficeController.java

@@ -10,6 +10,7 @@ import java.util.List;
 
 import org.apache.commons.io.FilenameUtils;
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestPart;
 import org.springframework.web.bind.annotation.RestController;
@@ -18,6 +19,7 @@ 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.tags.Tag;
+import stirling.software.SPDF.model.api.GeneralFile;
 import stirling.software.SPDF.utils.ProcessExecutor;
 import stirling.software.SPDF.utils.ProcessExecutor.ProcessExecutorResult;
 import stirling.software.SPDF.utils.WebResponseUtils;
@@ -63,14 +65,9 @@ public class ConvertOfficeController {
         summary = "Convert a file to a PDF using LibreOffice",
         description = "This endpoint converts a given file to a PDF using LibreOffice API  Input:Any Output:PDF Type:SISO"
     )
-    public ResponseEntity<byte[]> processFileToPDF(
+    public ResponseEntity<byte[]> processFileToPDF(@ModelAttribute GeneralFile request) 
-        @RequestPart(required = true, value = "fileInput")
+	        throws Exception {
-        @Parameter(
+		MultipartFile inputFile = request.getFileInput();
-            description = "The input file to be converted to a PDF file using LibreOffice",
-            required = true
-        )
-            MultipartFile inputFile
-    ) throws IOException, InterruptedException {
         // unused but can start server instance if startup time is to long
         // LibreOfficeListener.getInstance().start();
 

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertPDFToOffice.java

@@ -3,6 +3,7 @@ package stirling.software.SPDF.controller.api.converters;
 import java.io.IOException;
 
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RequestPart;
@@ -13,6 +14,11 @@ 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.model.api.GeneralFile;
+import stirling.software.SPDF.model.api.PDFFile;
+import stirling.software.SPDF.model.api.converters.PdfToPresentationRequest;
+import stirling.software.SPDF.model.api.converters.PdfToTextOrRTFRequest;
+import stirling.software.SPDF.model.api.converters.PdfToWordRequest;
 import stirling.software.SPDF.utils.PDFToFile;
 
 @RestController
@@ -21,51 +27,46 @@ public class ConvertPDFToOffice {
 
 	@PostMapping(consumes = "multipart/form-data", value = "/pdf-to-html")
 	@Operation(summary = "Convert PDF to HTML", description = "This endpoint converts a PDF file to HTML format. Input:PDF Output:HTML Type:SISO")
-	public ResponseEntity<byte[]> processPdfToHTML(
+	public ResponseEntity<byte[]> processPdfToHTML(@ModelAttribute PDFFile request) 
-			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file to be converted to HTML format", required = true) MultipartFile inputFile)
+	        throws Exception {
-			throws IOException, InterruptedException {
+		MultipartFile inputFile = request.getFileInput();
 		PDFToFile pdfToFile = new PDFToFile();
 		return pdfToFile.processPdfToOfficeFormat(inputFile, "html", "writer_pdf_import");
 	}
 
 	@PostMapping(consumes = "multipart/form-data", value = "/pdf-to-presentation")
 	@Operation(summary = "Convert PDF to Presentation format", description = "This endpoint converts a given PDF file to a Presentation format. Input:PDF Output:PPT Type:SISO")
-	public ResponseEntity<byte[]> processPdfToPresentation(
+	public ResponseEntity<byte[]> processPdfToPresentation(@ModelAttribute PdfToPresentationRequest request) throws IOException, InterruptedException {
-			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file") MultipartFile inputFile,
+	    MultipartFile inputFile = request.getFileInput();
-			@RequestParam("outputFormat") @Parameter(description = "The output Presentation format", schema = @Schema(allowableValues = {
+	    String outputFormat = request.getOutputFormat();
-					"ppt", "pptx", "odp" })) String outputFormat)
-			throws IOException, InterruptedException {
 		PDFToFile pdfToFile = new PDFToFile();
 		return pdfToFile.processPdfToOfficeFormat(inputFile, outputFormat, "impress_pdf_import");
 	}
 
 	@PostMapping(consumes = "multipart/form-data", value = "/pdf-to-text")
 	@Operation(summary = "Convert PDF to Text or RTF format", description = "This endpoint converts a given PDF file to Text or RTF format. Input:PDF Output:TXT Type:SISO")
-	public ResponseEntity<byte[]> processPdfToRTForTXT(
+	public ResponseEntity<byte[]> processPdfToRTForTXT(@ModelAttribute PdfToTextOrRTFRequest request) throws IOException, InterruptedException {
-			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file") MultipartFile inputFile,
+	    MultipartFile inputFile = request.getFileInput();
-			@RequestParam("outputFormat") @Parameter(description = "The output Text or RTF format", schema = @Schema(allowableValues = {
+	    String outputFormat = request.getOutputFormat();
-					"rtf", "txt:Text" })) String outputFormat)
+
-			throws IOException, InterruptedException {
 		PDFToFile pdfToFile = new PDFToFile();
 		return pdfToFile.processPdfToOfficeFormat(inputFile, outputFormat, "writer_pdf_import");
 	}
 
 	@PostMapping(consumes = "multipart/form-data", value = "/pdf-to-word")
 	@Operation(summary = "Convert PDF to Word document", description = "This endpoint converts a given PDF file to a Word document format. Input:PDF Output:WORD Type:SISO")
-	public ResponseEntity<byte[]> processPdfToWord(
+	public ResponseEntity<byte[]> processPdfToWord(@ModelAttribute PdfToWordRequest request) throws IOException, InterruptedException {
-			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file") MultipartFile inputFile,
+	    MultipartFile inputFile = request.getFileInput();
-			@RequestParam("outputFormat") @Parameter(description = "The output Word document format", schema = @Schema(allowableValues = {
+	    String outputFormat = request.getOutputFormat();
-					"doc", "docx", "odt" })) String outputFormat)
-			throws IOException, InterruptedException {
 		PDFToFile pdfToFile = new PDFToFile();
 		return pdfToFile.processPdfToOfficeFormat(inputFile, outputFormat, "writer_pdf_import");
 	}
 
 	@PostMapping(consumes = "multipart/form-data", value = "/pdf-to-xml")
 	@Operation(summary = "Convert PDF to XML", description = "This endpoint converts a PDF file to an XML file. Input:PDF Output:XML Type:SISO")
-	public ResponseEntity<byte[]> processPdfToXML(
+	public ResponseEntity<byte[]> processPdfToXML(@ModelAttribute PDFFile request) 
-			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file to be converted to an XML file", required = true) MultipartFile inputFile)
+	        throws Exception {
-			throws IOException, InterruptedException {
+		MultipartFile inputFile = request.getFileInput();
 
 		PDFToFile pdfToFile = new PDFToFile();
 		return pdfToFile.processPdfToOfficeFormat(inputFile, "xml", "writer_pdf_import");

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertPDFToPDFA.java

@@ -7,6 +7,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestPart;
 import org.springframework.web.bind.annotation.RestController;
@@ -15,6 +16,7 @@ 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.tags.Tag;
+import stirling.software.SPDF.model.api.PDFFile;
 import stirling.software.SPDF.utils.ProcessExecutor;
 import stirling.software.SPDF.utils.ProcessExecutor.ProcessExecutorResult;
 import stirling.software.SPDF.utils.WebResponseUtils;
@@ -28,10 +30,9 @@ public class ConvertPDFToPDFA {
 	    summary = "Convert a PDF to a PDF/A",
 	    description = "This endpoint converts a PDF file to a PDF/A file. PDF/A is a format designed for long-term archiving of digital documents. Input:PDF Output:PDF Type:SISO"
 	)
-	public ResponseEntity<byte[]> pdfToPdfA(
+	public ResponseEntity<byte[]> pdfToPdfA(@ModelAttribute PDFFile request) 
-	    @RequestPart(required = true, value = "fileInput")
+	        throws Exception {
-	    @Parameter(description = "The input PDF file to be converted to a PDF/A file", required = true)
+		MultipartFile inputFile = request.getFileInput();
-	        MultipartFile inputFile) throws IOException, InterruptedException {
 
         // Save the uploaded file to a temporary location
         Path tempInputFile = Files.createTempFile("input_", ".pdf");

src/main/java/stirling/software/SPDF/controller/api/converters/ConvertWebsiteToPDF.java

@@ -7,6 +7,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
@@ -14,6 +15,7 @@ import org.springframework.web.bind.annotation.RestController;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import stirling.software.SPDF.model.api.converters.UrlToPdfRequest;
 import stirling.software.SPDF.utils.GeneralUtils;
 import stirling.software.SPDF.utils.ProcessExecutor;
 import stirling.software.SPDF.utils.ProcessExecutor.ProcessExecutorResult;
@@ -28,10 +30,8 @@ public class ConvertWebsiteToPDF {
 	    summary = "Convert a URL to a PDF",
 	    description = "This endpoint fetches content from a URL and converts it to a PDF format."
 	)
-	public ResponseEntity<byte[]> urlToPdf(
+	public ResponseEntity<byte[]> urlToPdf(@ModelAttribute UrlToPdfRequest request) throws IOException, InterruptedException {
-	    @RequestParam(required = true, value = "urlInput")
+	    String URL = request.getUrlInput();
-	    @Parameter(description = "The input URL to be converted to a PDF file", required = true)
-	        String URL) throws IOException, InterruptedException {
 
 	    // Validate the URL format
 	    if(!URL.matches("^https?://.*") || !GeneralUtils.isValidURL(URL)) {

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

@@ -30,12 +30,14 @@ import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 
 import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.parameters.RequestBody;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import stirling.software.SPDF.utils.ProcessExecutor;
 import stirling.software.SPDF.utils.ProcessExecutor.ProcessExecutorResult;
 import stirling.software.SPDF.utils.WebResponseUtils;
-
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
 @RestController
 @Tag(name = "Other", description = "Other APIs")
 public class ExtractImageScansController {
@@ -46,26 +48,16 @@ public class ExtractImageScansController {
     @Operation(summary = "Extract image scans from an input file",
             description = "This endpoint extracts image scans from a given file based on certain parameters. Users can specify angle threshold, tolerance, minimum area, minimum contour area, and border size. Input:PDF Output:IMAGE/ZIP Type:SIMO")
     public ResponseEntity<byte[]> extractImageScans(
-            @RequestPart(required = true, value = "fileInput")
+    		@RequestBody(
-            @Parameter(description = "The input file containing image scans")
+    	            description = "Form data containing file and extraction parameters",
-                    MultipartFile inputFile,
+    	            required = true,
-            @RequestParam(name = "angle_threshold", defaultValue = "5")
+    	            content = @Content(
-            @Parameter(description = "The angle threshold for the image scan extraction", example = "5")
+    	                mediaType = "multipart/form-data",
-                    int angleThreshold,
+    	                schema = @Schema(implementation = MyForm.class) // This should represent your form's structure
-            @RequestParam(name = "tolerance", defaultValue = "20")
+    	            )
-            @Parameter(description = "The tolerance for the image scan extraction", example = "20")
+    	        )
-                    int tolerance,
+    	        MyForm form) throws IOException, InterruptedException {
-            @RequestParam(name = "min_area", defaultValue = "8000")
+        String fileName = form.getFileInput().getOriginalFilename();
-            @Parameter(description = "The minimum area for the image scan extraction", example = "8000")
-                    int minArea,
-            @RequestParam(name = "min_contour_area", defaultValue = "500")
-            @Parameter(description = "The minimum contour area for the image scan extraction", example = "500")
-                    int minContourArea,
-            @RequestParam(name = "border_size", defaultValue = "1")
-            @Parameter(description = "The border size for the image scan extraction", example = "1")
-                    int borderSize) throws IOException, InterruptedException {
-
-        String fileName = inputFile.getOriginalFilename();
         String extension = fileName.substring(fileName.lastIndexOf(".") + 1);
 
         List<String> images = new ArrayList<>();
@@ -73,7 +65,7 @@ public class ExtractImageScansController {
         // Check if input file is a PDF
         if (extension.equalsIgnoreCase("pdf")) {
             // Load PDF document
-            try (PDDocument document = PDDocument.load(new ByteArrayInputStream(inputFile.getBytes()))) {
+            try (PDDocument document = PDDocument.load(new ByteArrayInputStream(form.getFileInput().getBytes()))) {
                 PDFRenderer pdfRenderer = new PDFRenderer(document);
                 int pageCount = document.getNumberOfPages();
                 images = new ArrayList<>();
@@ -93,7 +85,7 @@ public class ExtractImageScansController {
             }
         } else {
             Path tempInputFile = Files.createTempFile("input_", "." + extension);
-            Files.copy(inputFile.getInputStream(), tempInputFile, StandardCopyOption.REPLACE_EXISTING);
+            Files.copy(form.getFileInput().getInputStream(), tempInputFile, StandardCopyOption.REPLACE_EXISTING);
             // Add input file path to images list
             images.add(tempInputFile.toString());
         }
@@ -109,11 +101,11 @@ public class ExtractImageScansController {
                     "./scripts/split_photos.py", 
                     images.get(i), 
                     tempDir.toString(), 
-                    "--angle_threshold", String.valueOf(angleThreshold),
+                    "--angle_threshold", String.valueOf(form.getAngleThreshold()),
-                    "--tolerance", String.valueOf(tolerance),
+                    "--tolerance", String.valueOf(form.getTolerance()),
-                    "--min_area", String.valueOf(minArea),
+                    "--min_area", String.valueOf(form.getMinArea()),
-                    "--min_contour_area", String.valueOf(minContourArea),
+                    "--min_contour_area", String.valueOf(form.getMinContourArea()),
-                    "--border_size", String.valueOf(borderSize)
+                    "--border_size", String.valueOf(form.getBorderSize())
                 ));
 
 

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

@@ -0,0 +1,27 @@
+package stirling.software.SPDF.controller.api.other;
+
+import org.springframework.web.multipart.MultipartFile;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+@Data
+public class MyForm {
+    @Schema(description = "The input file containing image scans", required = true)
+    private MultipartFile fileInput;
+
+    @Schema(description = "The angle threshold for the image scan extraction", defaultValue = "5", example = "5")
+    private int angleThreshold;
+
+    @Schema(description = "The tolerance for the image scan extraction", defaultValue = "20", example = "20")
+    private int tolerance;
+
+    @Schema(description = "The minimum area for the image scan extraction", defaultValue = "8000", example = "8000")
+    private int minArea;
+
+    @Schema(description = "The minimum contour area for the image scan extraction", defaultValue = "500", example = "500")
+    private int minContourArea;
+
+    @Schema(description = "The border size for the image scan extraction", defaultValue = "1", example = "1")
+    private int borderSize;
+}

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

@@ -69,7 +69,7 @@ public class CertSignController {
 	@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. Input:PDF Output:PDF Type:MF-SISO")
 	public ResponseEntity<byte[]> signPDF2(
-			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file to be signed") MultipartFile pdf,
+			@RequestPart(required = true, value = "fileInput") @Parameter(description = "The input PDF file") MultipartFile pdf,
 
 			@RequestParam(value = "certType", required = false) @Parameter(description = "The type of the digital certificate", schema = @Schema(allowableValues = {
 					"PKCS12", "PEM" })) String certType,

src/main/java/stirling/software/SPDF/model/SortTypes.java

@@ -0,0 +1,4 @@
+package stirling.software.SPDF.model;
+public enum SortTypes {
+	REVERSE_ORDER, DUPLEX_SORT, BOOKLET_SORT, SIDE_STITCH_BOOKLET_SORT, ODD_EVEN_SPLIT, REMOVE_FIRST, REMOVE_LAST, REMOVE_FIRST_AND_LAST,
+}

src/main/java/stirling/software/SPDF/model/api/GeneralFile.java

@@ -0,0 +1,13 @@
+package stirling.software.SPDF.model.api;
+
+import org.springframework.web.multipart.MultipartFile;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+@Data
+public class GeneralFile {
+
+	 @Schema(description = "The input file")
+	    private MultipartFile fileInput;
+}

src/main/java/stirling/software/SPDF/model/api/ImageFile.java

@@ -0,0 +1,12 @@
+package stirling.software.SPDF.model.api;
+
+import org.springframework.web.multipart.MultipartFile;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+@Data
+public class ImageFile {
+	@Schema(description = "The input image file")
+    private MultipartFile fileInput;
+}

src/main/java/stirling/software/SPDF/model/api/MultiplePDFFiles.java

@@ -0,0 +1,11 @@
+package stirling.software.SPDF.model.api;
+
+import org.springframework.web.multipart.MultipartFile;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+@Data
+public class MultiplePDFFiles {
+	@Schema(description = "The input PDF files", type = "array", format = "binary")
+    private MultipartFile[] fileInput;
+}

src/main/java/stirling/software/SPDF/model/api/PDFFile.java

@@ -0,0 +1,11 @@
+package stirling.software.SPDF.model.api;
+
+import org.springframework.web.multipart.MultipartFile;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+@Data
+public class PDFFile {
+	@Schema(description = "The input PDF file")
+    private MultipartFile fileInput;
+}

src/main/java/stirling/software/SPDF/model/api/PDFWithPageNums.java

@@ -0,0 +1,36 @@
+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.NoArgsConstructor;
+import stirling.software.SPDF.utils.GeneralUtils;
+@Data
+@NoArgsConstructor
+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')\"")
+    private String pageNumbers;
+	
+	
+	public List<Integer> getPageNumbersList(){
+		int pageCount = 0;
+		try {
+			pageCount = PDDocument.load(getFileInput().getInputStream()).getNumberOfPages();
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		return GeneralUtils.parsePageString(pageNumbers, pageCount);
+		
+	}
+	public List<Integer> getPageNumbersList(PDDocument doc){
+		int pageCount = 0;
+		pageCount = doc.getNumberOfPages();
+		return GeneralUtils.parsePageString(pageNumbers, pageCount);
+		
+	}
+}

src/main/java/stirling/software/SPDF/model/api/converters/ConvertToImageRequest.java

@@ -0,0 +1,22 @@
+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 stirling.software.SPDF.model.api.PDFFile;
+
+@Data
+public class ConvertToImageRequest extends PDFFile {
+
+    @Schema(description = "The output image format", allowableValues = {"png", "jpeg", "jpg", "gif"})
+    private String imageFormat;
+
+    @Schema(description = "Choose between a single image containing all pages or separate images for each page", allowableValues = {"single", "multiple"})
+    private String singleOrMultiple;
+
+    @Schema(description = "The color type of the output image(s)", allowableValues = {"color", "greyscale", "blackwhite"})
+    private String colorType;
+
+    @Schema(description = "The DPI (dots per inch) for the output image(s)")
+    private String dpi;
+}

src/main/java/stirling/software/SPDF/model/api/converters/ConvertToPdfRequest.java

@@ -0,0 +1,21 @@
+package stirling.software.SPDF.model.api.converters;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import org.springframework.web.multipart.MultipartFile;
+
+@Data
+public class ConvertToPdfRequest {
+
+    @Schema(description = "The input images to be converted to a PDF file")
+    private MultipartFile[] fileInput;
+
+    @Schema(description = "Whether to stretch the images to fit the PDF page or maintain the aspect ratio", example = "false")
+    private boolean stretchToFit;
+
+    @Schema(description = "The color type of the output image(s)", allowableValues = {"color", "greyscale", "blackwhite"})
+    private String colorType;
+
+    @Schema(description = "Whether to automatically rotate the images to better fit the PDF page", example = "true")
+    private boolean autoRotate;
+}

src/main/java/stirling/software/SPDF/model/api/converters/PdfToPresentationRequest.java

@@ -0,0 +1,13 @@
+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 stirling.software.SPDF.model.api.PDFFile;
+
+@Data
+public class PdfToPresentationRequest extends PDFFile {
+
+    @Schema(description = "The output Presentation format", allowableValues = {"ppt", "pptx", "odp"})
+    private String outputFormat;
+}

src/main/java/stirling/software/SPDF/model/api/converters/PdfToTextOrRTFRequest.java

@@ -0,0 +1,12 @@
+package stirling.software.SPDF.model.api.converters;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import stirling.software.SPDF.model.api.PDFFile;
+
+@Data
+public class PdfToTextOrRTFRequest extends PDFFile {
+
+    @Schema(description = "The output Text or RTF format", allowableValues = {"rtf", "txt:Text"})
+    private String outputFormat;
+}

src/main/java/stirling/software/SPDF/model/api/converters/PdfToWordRequest.java

@@ -0,0 +1,12 @@
+package stirling.software.SPDF.model.api.converters;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import stirling.software.SPDF.model.api.PDFFile;
+
+@Data
+public class PdfToWordRequest extends PDFFile {
+
+    @Schema(description = "The output Word document format", allowableValues = {"doc", "docx", "odt"})
+    private String outputFormat;
+}

src/main/java/stirling/software/SPDF/model/api/converters/UrlToPdfRequest.java

@@ -0,0 +1,11 @@
+package stirling.software.SPDF.model.api.converters;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+@Data
+public class UrlToPdfRequest {
+
+    @Schema(description = "The input URL to be converted to a PDF file", required = true)
+    private String urlInput;
+}

src/main/java/stirling/software/SPDF/model/api/general/CropPdfForm.java

@@ -0,0 +1,26 @@
+package stirling.software.SPDF.model.api.general;
+import lombok.Data;
+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
+public class CropPdfForm extends PDFFile {
+
+
+    @Schema(description = "The x-coordinate of the top-left corner of the crop area", type = "number")
+    private float x;
+
+    @Schema(description = "The y-coordinate of the top-left corner of the crop area", type = "number")
+    private float y;
+
+    @Schema(description = "The width of the crop area", type = "number")
+    private float width;
+
+    @Schema(description = "The height of the crop area", type = "number")
+    private float height;
+}
+

src/main/java/stirling/software/SPDF/model/api/general/MergeMultiplePagesRequest.java

@@ -0,0 +1,13 @@
+package stirling.software.SPDF.model.api.general;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import stirling.software.SPDF.model.api.PDFFile;
+
+@Data
+public class MergeMultiplePagesRequest extends PDFFile {
+
+    @Schema(description = "The number of pages to fit onto a single sheet in the output PDF.",
+            type = "integer", allowableValues = {"2", "3", "4", "9", "16"})
+    private int pagesPerSheet;
+}

src/main/java/stirling/software/SPDF/model/api/general/MergePdfsRequest.java

@@ -0,0 +1,20 @@
+package stirling.software.SPDF.model.api.general;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import stirling.software.SPDF.model.api.MultiplePDFFiles;
+
+@Data
+public class MergePdfsRequest extends MultiplePDFFiles {
+	
+    @Schema(description = "The type of sorting to be applied on the input files before merging.",
+            allowableValues = {
+                "orderProvided", 
+                "byFileName", 
+                "byDateModified", 
+                "byDateCreated", 
+                "byPDFTitle"
+            }, 
+            defaultValue = "orderProvided")
+    private String sortType;
+}

src/main/java/stirling/software/SPDF/model/api/general/RearrangePagesRequest.java

@@ -0,0 +1,23 @@
+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 stirling.software.SPDF.model.SortTypes;
+@Data
+public class RearrangePagesRequest extends PDFWithPageNums {
+
+    @Schema(implementation = SortTypes.class, description = "The custom mode for page rearrangement. Valid values are:\n"
+            + "REVERSE_ORDER: Reverses the order of all pages.\n"
+            + "DUPLEX_SORT: Sorts pages as if all fronts were scanned then all backs in reverse (1, n, 2, n-1, ...). "
+            + "BOOKLET_SORT: Arranges pages for booklet printing (last, first, second, second last, ...).\n"
+            + "ODD_EVEN_SPLIT: Splits and arranges pages into odd and even numbered pages.\n"
+            + "REMOVE_FIRST: Removes the first page.\n" + "REMOVE_LAST: Removes the last page.\n"
+            + "REMOVE_FIRST_AND_LAST: Removes both the first and the last pages.\n")
+    private String customMode;
+    
+    
+    
+}

src/main/java/stirling/software/SPDF/model/api/general/RotatePDFRequest.java

@@ -0,0 +1,13 @@
+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;
+
+@Data
+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")
+    private Integer angle;
+}

src/main/java/stirling/software/SPDF/model/api/general/ScalePagesRequest.java

@@ -0,0 +1,20 @@
+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;
+
+@Data
+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.", 
+           allowableValues = {
+                    "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", "A8", "A9", "A10", "B0", "B1", "B2", "B3", "B4",
+                    "B5", "B6", "B7", "B8", "B9", "LETTER", "TABLOID", "LEDGER", "LEGAL", "EXECUTIVE"
+           })
+    private String targetPDRectangle;
+
+    @Schema(description = "The scale of the content on the pages of the output PDF. Acceptable values are floats.")
+    private float scaleFactor;
+}

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

@@ -75,6 +75,9 @@ public class GeneralUtils {
 	    return null;
 	}
 
+	public static List<Integer> parsePageString(String pageOrder, int totalPages) {
+		return parsePageList(pageOrder.split(","), 100);
+	}
 	public static List<Integer> parsePageList(String[] pageOrderArr, int totalPages) {
 	    List<Integer> newPageOrder = new ArrayList<>();