Convert MP4 to MP3
To convert MP4 to MP3, drop the video below and press Convert. Wemute reads the soundtrack in your browser and saves it as a variable-bitrate MP3 (around 190 kbps), discarding the video so the file is small.
- No upload
- No sign-up
- Many files download as one ZIP
Convert to
How it works
Three steps
Drop MP4, MOV, MKV or WebM videos.
MP3 is selected — or pick M4A or WAV.
Convert and download the audio.
Good for
- Save lectures and podcasts as audio
- Listen to recorded talks on the go
- Pull music from your own video clips
Questions
About MP4 to MP3
Does it work with iPhone videos?
Yes. iPhone MOV videos work the same way — drop them in and you get an MP3 of the audio.
Are my files uploaded?
No. Wemute converts files inside your browser tab with your device's own processor. The file contents and names never reach our servers, and nothing is kept after you close the page.
Is there a file size limit?
There is no upload limit because nothing is uploaded, but your browser's memory sets a practical ceiling: files up to about 2 GB work on most computers. The first conversion downloads the converter engine (about 10 MB) once; after that it is cached.
Format comparison
How MP4 and MP3 differ
| MP4 | MP3 | |
|---|---|---|
| Compression | Lossy (usually H.264) | Lossy |
| Best for | Sharing and uploading video anywhere | Music and voice for any player |
| Compatibility | Universal | Universal |
MP4: H.264 in MP4 plays on virtually every phone, browser, TV and editor. MP3: At 192–320 kbps most listeners can't tell it from the original.
Related tools
Wemute for Mac
Word, Excel, PDF, e-books and 100 more conversions, OCR, background removal and subtitles — all on your Mac. Free and open source.
Get it on GitHub