A browser extension that removes metadata from images (EXIF) and PDFs before uploading files.

Disclaimer: This is a work in progress, mostly done using AI as I'm not a javascript developer, it may contain security issues. Use at your own risk.

Test it on exif.tools

• Strip EXIF: Remove EXIF from JPEG/PNG images.
• PDF Metadata Removal: Uses pdf-lib to clear PDF info (title, author, etc.).
• Creates a [filename]-cleaned.[extension] and uploads it.

• Not all sites rely on <input type="file"> tags.
• Allows to upload other file extensions.
• Extension is too heavy (not sure why yet: nearly 60MB)

1. Install Dependencies

   npm install

2. Build the Extension

    npx webpack

   This generates the bundled JavaScript files in the dist/ folder.

3. Load Unpacked

   Chrome, Edge, Opera

   1. Navigate to chrome://extensions (or edge://extensions, opera://extensions).
   2. Enable Developer Mode.
   3. Click Load Unpacked, select the folder containing manifest.json.

   Firefox

   1. Go to about:debugging#/runtime/this-firefox.
   2. Click Load Temporary Add-on.
   3. Select manifest.json.

   Safari

   1. Use Safari Web Extension Converter with Xcode.
   2. Enable and run the resulting extension in Safari.

1. Navigate to a page with an .
2. A “broom” icon or 🧹 button appears next to the file upload.
3. Click the broom to pick a file (image/PDF).
4. The extension strips EXIF (for images) or PDF metadata.

You can test the resulting file at services like exif.tools to confirm the removal of metadata.

Work in Progress: May contain bugs or security flaws.
Limited to JPEG/PNG Images and PDFs: Other file types should not be supported.
PDF: Only standard metadata fields are removed. Some embedded metadata might persist.