CleanMark - Watermark Remover

by HaoYu · cleanmark.org · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 20 Oct 2026

Remove Gemini watermarks from images instantly. Visit cleanmark.org for more tools.

Users

+2 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#125K

#104K among extensions

Version

1.0.1

updated 16 Apr 2026

Users

monthly, 6 months

Latest, 20 Oct 2026: 35 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months

Latest, 20 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About CleanMark - Watermark Remover

# CleanMark Extension v1.0.0 Release Notes ## 🎉 Initial Release ### Features - ✨ One-click watermark removal from Gemini AI images - 🔒 Privacy-first: all processing happens locally - 📸 Supports full-resolution images - 🌐 Works seamlessly on Gemini web interface - 🆓 Free and open source ### Technical Details - Automatic detection of Gemini watermark configurations - Smart URL mapping for blob URLs - Multi-pass watermark removal algorithm - Support for various image resolutions (0.5k, 1k, 2k, 4k) ### Installation 1. Download the ZIP file 2. Go to chrome://extensions/ 3. Enable "Developer mode" 4. Click "Load unpacked" and select the extracted folder ### Usage 1. Visit Gemini and generate an image 2. Click the download button on any image 3. CleanMark automatically removes the watermark 4. Download the clean image ### Known Issues - Occasionally may download a different image when multiple images are present (working on improvement) - Requires page refresh after extension installation to start monitoring ### Privacy No data collection. All processing happens in your browser. --- Built with ❤️ for the community