MP4 to MP3

Extract the audio track from a video and save it as an MP3 — entirely in your browser, no upload required.

Choose a video or drag & drop (MP4, MOV, WebM…)

The audio engine (~25 MB) loads on first use.

How to convert MP4 to MP3

  1. Select a video file.
  2. Pick an audio quality.
  3. Click Convert to MP3 and download your audio.

Powered by ffmpeg.wasm

This tool runs a full FFmpeg build compiled to WebAssembly directly in your browser, so your videos are never uploaded. The engine downloads once and is cached for next time.

Is the video uploaded?
No, it stays on your device.
What formats are supported?
MP4, MOV, MKV, WebM and more.

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