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ConvertBox

Extract Audio

Extract audio from MP4, MOV, AVI, and other video files for free. Save as MP3. No upload needed — all processing happens locally in your browser.

How to Use

  1. Select the video file to extract audio from
  2. Choose an audio format (MP3, WAV, etc.)
  3. Click "Extract Audio" button
  4. The audio file will be downloaded automatically

All processing is done in your browser, and files are never sent to a server.

Frequently Asked Questions

You can extract audio to MP3, WAV, or AAC format.
The extracted audio quality depends on the chosen output format. WAV preserves the highest quality.
Yes, it supports all major video formats including MP4, AVI, MOV, and WebM.
If extraction fails: (1) confirm the video contains an audio track, (2) use a file under 500MB, (3) convert the video to MP4 first, (4) refresh the page and retry.