🎵MP4 → MP3

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Extract audio from an MP4 video to MP3 in your browser using ffmpeg.wasm. Trim with start/duration and choose bitrate.

or drop a file here
On‑device
No watermarks
🔒Private by default
⚙️Setup
Note: Processing runs entirely in your browser and can be CPU‑intensive. If conversion fails, try a lower bitrate or shorter duration.
🧾Preview & Download
Select a video and click Convert to generate the MP3 and download it.
How this tool works
  1. Upload MP4Choose a video or paste a direct URL. Files stay on your device.
  2. Set optionsPick bitrate and optionally trim with start time and duration.
  3. Convert locallyWe run ffmpeg.wasm in your browser to extract audio to MP3.
  4. Download MP3Save the MP3 with no watermarks.