OnlineMediaTools
Free Online Tool

MP4 to MP3 Converter

Extract audio from any MP4 video and save it as an MP3 file. It is useful for music, lectures, interviews, and podcasts.

Drop your file here

or click to browse

Supports: .MP4, .M4V - Max 200 MB

By uploading, you confirm you own or have permission to process this file.

How to MP4 to MP3

  1. 1Upload your MP4 file
  2. 2Choose audio quality (optional)
  3. 3Click "Extract Audio"
  4. 4Download your MP3 file

Supported Formats

MP4M4VMP3

Common use cases

  • Save lectures, podcasts, or interviews from MP4 video files.
  • Extract background audio for offline listening on mobile devices.
  • Create audio-only versions of webinars or recorded presentations.

Output and privacy details

The audio track is exported as MP3 so you can save spoken content, music, or interviews as a lighter standalone file.

Files are processed for the requested task and automatically deleted after 2 hours. You should only upload media that you own or have permission to process.

Disclaimer: By uploading files, you confirm that you own or have explicit permission to process the uploaded media. Do not upload copyrighted content without authorization.

Frequently Asked Questions

Default is 192 kbps. You can choose 128, 192, or 320 kbps.

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