No upload wait: large MP4s start converting at once.
Video Converter
MP4 to MP3
Turn an MP4 into an MP3 in a few seconds. The sound is taken out of the video and encoded on your device, so the file is never uploaded.
Runs in your browser, so a 400 MB MP4 converts without a 400 MB upload first.
- Nothing is uploaded
- Instant when the streams fit
- Files up to 500 MB
- Add a file
- Pick a format
- Save
Drop an MP4 file
MP4 · MOV · MKV · WebM · AVI · MP3 · M4A · WAV · up to 500 MB
Free, no signup. Converted on your device.
Why it helps
Why convert MP4 to MP3 here
Choose the bitrate instead of getting whatever a server picks.
Play the MP3 back on the page before you save it.
How to use it
How to convert MP4 to MP3
1 Drop the .mp4 file onto the converter.
2 Keep MP3 picked and choose a quality.
3 Convert, then save the .mp3 or share it to another app.
Quick tips
MP4 to MP3 tips
Most MP4s carry AAC sound. Picking M4A instead copies it untouched and finishes instantly.
320 kbps is the most MP3 can hold. Going higher than the original adds size, not quality.
Only need part of it? Press Trim first and cut it in the Video Editor.
FAQ
MP4 to MP3 questions
Is MP4 to MP3 conversion free?
Yes, with no signup, no watermark, and no limit on the number of files.
Will the MP3 play on my phone and car stereo?
Yes. MP3 is the most widely supported audio format there is.
Can I convert an MP4 to MP3 on iPhone or Android?
Yes, in Safari or Chrome. Phones convert more slowly than laptops, and very long videos may run out of memory on older phones.
Open the main Video Converter page
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