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HN
Hacker News

Remove AI Watermarks

Remove visible and invisible AI watermarks from images generated by Google Gemini (Nano Banana), ChatGPT / DALL-E, Stable Diffusion, Adobe Firefly, Midjourney, and other AI models.

Strips SynthID, C2PA Content Credentials, EXIF/XMP "Made with AI" labels, and visible sparkle overlays — all in one command.

Try it online — don't want to install anything? Use raiw.cc , a free web service powered by this library.

Visible watermarks (logo overlays) are currently used only by Google Gemini / Nano Banana. Other services rely on invisible watermarks and/or metadata. Our diffusion-based regeneration works against any invisible watermark in pixel or frequency domain.

Removing the Gemini / Nano Banana sparkle watermark

Google Gemini (internally codenamed Nano Banana ) adds a visible sparkle logo to generated images using alpha blending: