Browser Video Tool Speeds Up 10x by Replacing ffmpeg.wasm with WebCodecs

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The developers of ClearPix, a suite of free in-browser media tools, migrated their video watermark removal pipeline from ffmpeg.wasm to WebCodecs and MediaBunny. This change reduced processing time from 95 seconds to 9 seconds for the same task. The new architecture eliminates three major performance bottlenecks: a mandatory 33MB WebAssembly download, inefficient in-memory filesystem operations, and software-based encoding that ignores available hardware acceleration. The team maintains ffmpeg.wasm as a fallback for environments lacking hardware H.264 support, but the new WebCodecs path is now the primary, much faster option.

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