Bili-Mux

Chrome extension that downloads Bilibili videos with in-browser audio/video muxing.

Browser extensionfreeglobal

Bili-Mux is a free, open-source Chrome extension that adds a download panel to Bilibili video pages, letting users save covers, separate audio/video streams, and combine them into an MP4 entirely in the browser via ffmpeg.wasm, with no local software installation needed. The project states it is intended for personal archival use only, not for re-distribution.

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