Gemini Watermark Remover
Free online tool to remove Gemini watermarks, logos, and star overlays.
No upload, no sign-up — 100% local, private processing.
Pixel-accurate restoration
No AI guesswork — reverse alpha blending restores the original pixels under the watermark. No repaint, no blur.
Try it freeHow to remove a Gemini watermark online
Upload your photos
Drag or select watermarked images (JPG, PNG, WebP). Batch supported.
Auto-remove watermark
Runs in-browser, reverses the watermark overlay to restore original pixels. Fully local, lossless.
Download clean images
Download clean images as lossless PNG — one by one or as a ZIP.
Complete Google Gemini watermark removal toolkit
Pixel-accurate restoration · batch processing · 100% local · multiple workflow options
Reverse alpha blending, not AI inpainting
Reconstructs pixels under the watermark via calibrated alpha maps — no model repaint, no soft edges.
Covers Gemini logo, star overlay, Nano Banana
Handles the Gemini logo, star overlay, and Nano Banana variants.
Bulk parallel processing
Drop multiple images, process in parallel in-browser, download individually or as ZIP.
100% browser-local — zero uploads
All computation stays in your browser. Images never leave your device.
All formats · all resolutions
Accepts JPG, PNG, and WebP input at any Gemini resolution. Exports lossless PNG.
Chrome extension / userscript
Install once and Gemini pages auto-replace previews, copies, and downloads with clean versions.
CLI & SDK for developers
pnpm dlx for zero-install runs or install globally. Supports batch export and CI/CD integration.
Cross-platform
Works on major browsers and mobile. CLI covers Windows, macOS, and Linux.
Free, open source, no sign-up
MIT licensed, no usage limits, no account required. 4.4k+ GitHub Stars.
Need another workflow?
Pick the path that matches where you already work — Gemini page, terminal, or agent.
Remove watermark now Frequently
asked
questions
Is this Gemini watermark remover completely free?
Yes — completely free, no limits, no sign-up. MIT-licensed open source.
Are my photos uploaded to a server?
No. All processing happens locally in your browser — images never leave your device.
How does the watermark removal actually work?
Reverse alpha blending restores the original pixels under the watermark — no AI repaint.
Can I bulk remove Gemini watermarks?
Yes. The online tool handles multiple files in parallel. For large batches, use the CLI with --out-dir.
When should I use the CLI?
For large batch jobs, CI/CD automation, or scripted workflows.
Does it work on Nano Banana, star overlay, or other Gemini variants?
Yes — logo, star overlay, and Nano Banana are all supported. If something isn't handled, open a GitHub issue.
Can it remove every kind of watermark?
No. This tool only removes Gemini's visible watermark — not SynthID or watermarks from other sources.
Ready to remove
Gemini watermarks for free?
Open source, browser-local, no sign-up. Start in seconds.