Show HN: Green Screen Remover – free in-browser chroma key, nothing uploaded

Category: other

Tags: chroma-key, video-editing, image-processing, browser-based, privacy-focused

Score: 5.0/10 (Innovation: 4, Technical: 5, Documentation: 7, Utility: 6)

Green Screen Remover is a browser-based chroma key tool that removes green/blue screens from images and videos entirely client-side using the Canvas API, with no uploads. It supports PNG, JPEG, WebP, GIF, MP4, WebM, and more, and exports transparent PNGs, PNG sequences, or transparent WebM videos. The project is notable for its thoughtful explanation of YCbCr color space keying and spill suppression, though the core technology is a well-known image processing technique.

Target audience: content creators, video editors, frontend developers, privacy-conscious users

Repository: https://greenscreenremover.net/

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