MP4 to MP3
Turn MP4 files into MP3, ideal for universal playback on any device. Fast, free and completely private.
- Processed locally — your files never leave your device
- Free, no sign-up
- No file limits
How to use MP4 to MP3
- 1
Drop your MP4 file into the box above or click to choose it.
- 2
Check that MP3 is selected as the output format.
- 3
Click Extract audio, then download your MP3 file.
Features
- No uploadYour MP4 file is converted locally — nothing is sent to a server.
- Lossless when possibleWhen the codecs are compatible, streams are copied without re-encoding, so conversion is instant.
- Free, no watermarkNo sign-up, no watermark and no daily limits.
Frequently asked questions
Why convert MP4 to MP3?
MP4 is best for sharing and playback on every device, while MP3 is ideal for universal playback on any device.
Is this MP4 to MP3 converter safe?
Yes. The conversion runs entirely in your browser using ffmpeg compiled to WebAssembly, so your video stays private.
How long does it take?
Compatible files convert almost instantly. Files that need re-encoding take roughly as long as the media plays, depending on your device.