diff --git a/docs/index.html b/docs/index.html
index 9d406c0..6e5ef76 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -310,7 +310,9 @@ <h2>Online Converter</h2>
                                     const formatEnum = MagickFormat[titleCaseFormat] || targetExt.toUpperCase();
 
                                     image.write(formatEnum, (data) => {
-                                        let originalName = file.name.split('.').slice(0, -1).join('.');
+                                        // Sanitize filename to prevent Path Traversal (ZIP Slip)
+                                        const sanitizedFileName = file.name.split(/[/\\]/).pop();
+                                        let originalName = sanitizedFileName.split('.').slice(0, -1).join('.');
                                         if (!originalName) originalName = "image"; // fallback if no extension
                                         const outFileName = `${originalName}.${targetExt}`;