Gemini Watermark Remover
Free online Gemini watermark cleaner for images, logos, and star overlays.
No upload, no sign-up — 100% local, private processing.
Pixel-accurate restoration
No AI guesswork — stronger watermark detection and reverse alpha blending restore 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
Uses stronger watermark-region detection and calibrated alpha maps to reconstruct pixels under the watermark — no model repaint, no soft edges.
Covers Gemini logo, star overlay, Nano Banana
Handles Gemini logo marks, star overlays, and Nano Banana watermark variants in supported image outputs.
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 image batches, CI/CD integration, and local video cleanup for .mp4, .webm, and .mov via CLI/SDK.
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. 4.6k+ GitHub Stars.
Need another workflow?
Pick the path that matches where you already work: Gemini page, video cleanup, terminal, or agent.
Remove watermark nowUserscript for Gemini pages
Keep cleanup inside Gemini. Preview, copy, and download actions automatically use clean images.
Gemini video watermark remover
Remove Gemini watermark from video locally in the browser, with a CLI fallback for larger MP4, WebM, and MOV files.
CLI tool
Built for local image batches, video cleanup, and CI automation
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.
How do I remove a Gemini watermark from an image?
Upload or drag the Gemini image into the online tool, let the local cleaner process it, then download the clean PNG or ZIP. Nothing is uploaded.
Can I use it as a Gemini logo remover online?
Yes. It is built for visible Gemini logo watermarks, star overlays, and supported Nano Banana variants in Gemini-generated images.
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 image batches, local video cleanup, CI/CD automation, or scripted workflows.
Can it remove Gemini watermarks from videos?
Yes. Use the dedicated Gemini Video Watermark Remover page for browser-based video cleanup, or the CLI/SDK for larger supported Gemini videos. The main online tool on this homepage is still focused on images.
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.
Is this a general remove watermark from image tool?
No. It is tuned for visible Gemini watermarks. For unrelated watermarks, use a general image editor or a tool made for that source.
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.