Unmarker.it – Client-Side Tool to Disrupt Invisible AI Watermarks

Show HN: Unmarker.it – Client-Side Tool to Disrupt Invisible AI Watermarks

Unmarker.it – Client-Side Tool to Disrupt Invisible AI Watermarks is a business in show hn launch.

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I built a browser-only tool that disrupts invisible AI watermarks using Canvas, geometry, noise, and JPEG recompression. No backend, no uploads, no tracking.Pipeline: Shake – Random rotation (±0.5°) + slight zoom Stir – Low-amplitude RGB noise via getImageData Crush – JPEG recompression at ~0.85 qualityTested with SynthID (Google Gemini AI watermarking), and it remained undetected in all tests.Pipeline improvements? What would you add/change?Github: https://github.com/ing-norante/unmarker.it

The company sits in the show hn launch segment, where it competes on its core product or service.

It is recorded at the Show HN launch stage.

Website: www.unmarker.it