Upload your photos
Drag or select watermarked images (JPG, PNG, WebP). Batch supported.
Free online Gemini watermark cleaner for images, logos, and star overlays.
No upload, no sign-up — 100% local, private processing.


No AI guesswork — stronger watermark detection and reverse alpha blending restore the original pixels under the watermark. No repaint, no blur.
Drag or select watermarked images (JPG, PNG, WebP). Batch supported.
Runs in-browser, reverses the watermark overlay to restore original pixels. Fully local, lossless.
Download clean images as lossless PNG — one by one or as a ZIP.
Pixel-accurate restoration · batch processing · 100% local · multiple workflow options
Uses stronger watermark-region detection and calibrated alpha maps to reconstruct pixels under the watermark — no model repaint, no soft edges.
Handles Gemini logo marks, star overlays, and Nano Banana watermark variants in supported image outputs.
Drop multiple images, process in parallel in-browser, download individually or as ZIP.
All computation stays in your browser. Images never leave your device.
Accepts JPG, PNG, and WebP input at any Gemini resolution. Exports lossless PNG.
Install once and Gemini pages auto-replace previews, copies, and downloads with clean versions.
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.
Works on major browsers and mobile. CLI covers Windows, macOS, and Linux.
MIT licensed, no usage limits, no account required. 5k+ GitHub Stars.
Pick the path that matches where you already work: Gemini page, video cleanup, terminal, or agent.
Keep cleanup inside Gemini. Preview, copy, and download actions automatically use clean images.
Remove Gemini watermark from video locally in the browser, with a CLI fallback for larger MP4, WebM, and MOV files.
Built for local image batches, video cleanup, and CI automation
Yes — completely free, no limits, no sign-up. MIT-licensed open source.
No. All processing happens locally in your browser — images never leave your device.
Reverse alpha blending restores the original pixels under the watermark — no AI repaint.
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.
Yes. It is built for visible Gemini logo watermarks, star overlays, and supported Nano Banana variants in Gemini-generated images.
Yes. The online tool handles multiple files in parallel. For large batches, use the CLI with --out-dir.
For large image batches, local video cleanup, CI/CD automation, or scripted workflows.
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.
Yes — logo, star overlay, and Nano Banana are all supported. If something isn't handled, open a GitHub issue.
No. It is tuned for visible Gemini watermarks. For unrelated watermarks, use a general image editor or a tool made for that source.
No. This tool only removes Gemini's visible watermark — not SynthID or watermarks from other sources.
Open source, browser-local, no sign-up. Start in seconds.