How to convert MP4 to MP3

MP4 files carry both video and audio. When you only need the sound — a song, a talk, a voice memo — converting the MP4 to MP3 gives you a small audio file that plays everywhere.

This guide walks you through converting MP4 to MP3 for free in your browser, with nothing uploaded to any server.

Open the MP4 to MP3 tool

Convert MP4 to MP3

A simple three-step process that runs entirely on your device.

1Open the MP4 to MP3 tool.
2Drop your MP4 file or click to select it.
3Choose the MP3 quality and click Convert to MP3.
4Download your MP3 file.

MP4 to MP3 vs. Video to MP3

The MP4 to MP3 tool is optimized for MP4 files specifically. If you have other video formats (MOV, AVI, MKV, etc.), use the Video to MP3 tool instead, which accepts a wider range of formats.

Frequently asked questions

Is it free?

Yes. The MP4 to MP3 converter is free with no sign-up, no limits and no watermark.

Will I lose audio quality?

The MP3 is encoded from the original audio track. Choosing 192 kbps (High) preserves good quality while keeping the file compact.

Is my file uploaded?

No. Conversion runs in your browser — your MP4 stays on your device.

Ready to try it?

Turn an MP4 video into an MP3 audio file in seconds.

Use MP4 to MP3