I Built a Browser Tool That Shows Every Video Frame Before You Download It
An FFmpeg.wasm pipeline that extracts, previews, selects, and exports every MP4 frame without uploading the source video.
Aug 29, 20266 min read

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An FFmpeg.wasm pipeline that extracts, previews, selects, and exports every MP4 frame without uploading the source video.

A browser-only Canvas pipeline for grid detection, dominant-color sampling, perceptual palette reduction, and clean nearest-neighbor export.
