diff --git a/app/core/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertOfficeController.java b/app/core/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertOfficeController.java
index d81e3843f..f43394b7d 100644
--- a/app/core/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertOfficeController.java
+++ b/app/core/src/main/java/stirling/software/SPDF/controller/api/converters/ConvertOfficeController.java
@@ -2,6 +2,7 @@ package stirling.software.SPDF.controller.api.converters;
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.ArrayList;
@@ -24,8 +25,10 @@ import io.swagger.v3.oas.annotations.tags.Tag;
 import lombok.RequiredArgsConstructor;
 
 import stirling.software.common.configuration.RuntimePathConfig;
+import stirling.software.common.model.ApplicationProperties;
 import stirling.software.common.model.api.GeneralFile;
 import stirling.software.common.service.CustomPDFDocumentFactory;
+import stirling.software.common.util.CustomHtmlSanitizer;
 import stirling.software.common.util.ProcessExecutor;
 import stirling.software.common.util.ProcessExecutor.ProcessExecutorResult;
 import stirling.software.common.util.WebResponseUtils;
@@ -38,6 +41,7 @@ public class ConvertOfficeController {
 
     private final CustomPDFDocumentFactory pdfDocumentFactory;
     private final RuntimePathConfig runtimePathConfig;
+    private final ApplicationProperties applicationProperties;
 
     public File convertToPdf(MultipartFile inputFile) throws IOException, InterruptedException {
         // Check for valid file extension
@@ -50,7 +54,24 @@ public class ConvertOfficeController {
         // Save the uploaded file to a temporary location
         Path tempInputFile =
                 Files.createTempFile("input_", "." + FilenameUtils.getExtension(originalFilename));
-        inputFile.transferTo(tempInputFile);
+
+        // Check if the file is HTML and apply sanitization if needed
+        String fileExtension = FilenameUtils.getExtension(originalFilename).toLowerCase();
+        if (fileExtension.equals("html") || fileExtension.equals("htm")) {
+            boolean disableSanitize =
+                    Boolean.TRUE.equals(applicationProperties.getSystem().getDisableSanitize());
+
+            if (!disableSanitize) {
+                // Read and sanitize HTML content
+                String htmlContent = new String(inputFile.getBytes(), StandardCharsets.UTF_8);
+                String sanitizedHtml = CustomHtmlSanitizer.sanitize(htmlContent);
+                Files.write(tempInputFile, sanitizedHtml.getBytes(StandardCharsets.UTF_8));
+            } else {
+                inputFile.transferTo(tempInputFile);
+            }
+        } else {
+            inputFile.transferTo(tempInputFile);
+        }
 
         // Prepare the output file path
         Path tempOutputFile = Files.createTempFile("output_", ".pdf");