Convert MP4 to MP3
Free, fast and secure — convert MP4 to MP3 right in your browser.
Pull the audio out of your MP4 as MP3
Converting MP4 to MP3 extracts a clean audio track from your video, giving you a compact MP3 audio you can play, share or add to a playlist without the video.
How to convert MP4 to MP3
- 1 Drop your MP4 file into the converter above.
- 2 It is converted to MP3 automatically — no settings to fiddle with.
- 3 Download your new MP3 file instantly.
MP4 vs MP3
| Feature | MP4 | MP3 |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | No | No |
| Animation | Yes | No |
| MIME type | video/mp4 | audio/mpeg |
| Best for | Sharing, streaming and uploading video anywhere with maximum compatibility. | Music, podcasts and voice that need to play everywhere at a small size. |
About the formats
MP4 video
MP4 (H.264) is the universal video container. It balances quality and file size beautifully and plays on virtually every device, browser and platform.
Strengths
- Plays almost everywhere
- Great quality-to-size ratio
- Ideal for streaming and social media
Limitations
- Lossy compression
- Less flexible than MKV for multiple tracks
- Older codecs can look dated
Best for: Sharing, streaming and uploading video anywhere with maximum compatibility.
MP3 audio
MP3 is the world’s most compatible audio format. Its lossy compression makes small files that play on every device and app, which is why it is still the default for music and podcasts.
Strengths
- Plays on virtually everything
- Small, convenient files
- Adjustable bitrate
Limitations
- Lossy — discards some audio detail
- Not ideal for archiving
- No lossless option
Best for: Music, podcasts and voice that need to play everywhere at a small size.