Free tool

MP4 to MP3 Converter

Save the sound of a video as an MP3 file. Your video stays on your computer.

  • No upload
  • No account
  • No watermark
  • No credit card
The MP4 to MP3 panel open over the Raymarch editor, with a video chosen and its settings.

How it works

Convert MP4 to MP3 in 3 steps

  1. 01

    Choose a video

    Drop an MP4, MOV, MKV or WebM file into the panel.

  2. 02

    Choose the quality

    192 kbps is right for most speech and music.

  3. 03

    Download the MP3

    Click Convert. The file goes to your Downloads when it is ready.

Then keep editing

The full editor is right behind the tool

Click Edit in Raymarch, and your file goes on a real timeline. Cut it, add titles, captions and music, and export to MP4, MOV, MKV or WebM. The editor is free.

See the timeline editor
The Raymarch timeline with three video tracks, a subtitle track and an audio track.

Frequently asked questions

Can I convert MOV or MKV to MP3?

Yes. The tool reads the sound from most video files.

Is this tool free?

Yes. There is no account, no credit card, no watermark and no limit on the number of files.

Do you upload my file?

No. Your file stays on your computer, so even a large file starts right away.

Which browsers work?

Chrome and Edge on a computer work best.

Convert MP4 to MP3 now

No upload · No account · No watermark · No credit card