Powerful Features for Effortless Gemini Watermark Removal
Everything you need to remove Gemini and Nano Banana watermarks — free, fast, and private.
Core Features
Smart Detection
Automatically detects image download requests from Gemini and Google AI Studio using real-time URL monitoring and intelligent pattern recognition. Zero false positives.
- ✓ Real-time URL monitoring
- ✓ Full aistudio.google.com coverage
- ✓ Intelligent pattern recognition
- ✓ Zero false positives
Reverse Alpha Blending
Revolutionary millisecond processing using mathematical reversal of the watermark compositing operation. No AI inference — just precise, instant computation.
- ✓ Millisecond processing speed
- ✓ Mathematically exact results
- ✓ No AI model required
- ✓ Precomputed alpha maps
Privacy First
All processing happens locally in your browser. No images are uploaded, no data is collected, no tracking. Your files never leave your device.
- ✓ 100% local processing
- ✓ Zero data transmission
- ✓ No account required
- ✓ No analytics on images
Transparent Experience
Zero configuration, zero friction. The extension integrates seamlessly into your normal Gemini workflow — just download images as usual.
- ✓ No workflow interruption
- ✓ Automatic activation
- ✓ Normal download experience
- ✓ No manual steps
WebAssembly Performance
Image processing runs in WebAssembly for near-native CPU performance. The extension is only ~2MB and uses minimal memory.
- ✓ Near-native speed
- ✓ ~2MB extension size
- ✓ Low memory footprint
- ✓ No GPU required
Online Tool
No extension? No problem. Upload any Gemini image to cleanmark.org and remove the watermark instantly in your browser.
- ✓ No installation needed
- ✓ Works in any browser
- ✓ Drag and drop support
- ✓ Instant download
Perfect For
Content Creators
Clean images for social media, blogs, newsletters, and marketing materials.
Research Scholars
Export Gemini-generated diagrams cleanly for academic publications and presentations.
Designers
Build reference libraries and mood boards with professional, watermark-free assets.
Educators
Use AI-generated visuals in course materials, presentations, and teaching aids.