Media converter — MP3, MP4 & more
Powered by ffmpeg.wasm — the file is processed entirely on your deviceFull video conversion needs an engine this hosting mode can't load — but audio still works right here: drop in any audio or video file and get a standard WAV out, decoded entirely in your browser. Full-format conversion (MP4, WebM, MKV & more) is available as an on-demand API service — ask us, we build it on open-source conversion stacks.
First conversion loads the engine (~30MB) — after that it's cached.