Show HN: Watermark – Browser based image/video watermarking with FFmpeg.wasm

1 points by a_void_sky 3 months ago · 0 comments · 1 min read

Hi HN!

I built (vibe coded) a completely browser-based watermarking tool that processes images and videos locally without any server uploads. Link: https://watermark.akatski.com

Everything runs client-side - React + Vite, deployed on Cloudflare Pages. No backend, no file uploads, no tracking (except GA).

Would love feedback on the UX and any performance improvements for video processing!

Built this because existing tools either require uploads (privacy concern) or cost money. Wanted something free that respects privacy.

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