Convert MP4 to MP3
Extract the audio from MP4 videos and save it as MP3 — ideal for sharing music, podcasts and ringtones that play on every device.
- No upload — 100% private
- Fast, lossless when possible
- Free & unlimited
- Works on iPhone & Android
Keep this tab open — the conversion runs on your device, nothing is uploaded.
Add more files above to keep converting.
How to convert MP4 to MP3
- 1
Tap Choose files and select one or more MP4 files (or drag them in).
- 2
Check that MP3 is selected. Use Advanced options for bitrate, channels or trimming.
- 3
Press Convert. Everything happens on your device — no upload, no waiting in a queue.
- 4
Your MP3 downloads automatically. Converting several files? Grab them all as a ZIP.
MP4 vs MP3
Only the sound is kept — the picture is dropped, so the MP3 file is far smaller than the MP4 video.
| MP4 | MP3 | |
|---|---|---|
| Full name | MPEG-4 Part 14 | MPEG-1 Audio Layer III |
| Type | Video | Audio |
| Compression | Lossy | Lossy |
| Developed by | MPEG | Fraunhofer IIS |
| Introduced | 2001 | 1993 |
| Plays on iPhone | ✓ Yes | ✓ Yes |
| Plays on Android | ✓ Yes | ✓ Yes |
| Plays on Windows | ✓ Yes | ✓ Yes |
| Plays on Mac | ✓ Yes | ✓ Yes |
About MP4 and MP3
MP4: MP4 is the universal video format. With H.264 video and AAC audio it plays on every iPhone, Android phone, smart TV, browser, WhatsApp, Instagram and YouTube.
MP3: MP3 is the most widely supported audio format in the world. It uses lossy compression to make music and voice files small enough to share, while keeping quality good enough for everyday listening.
Frequently asked questions
How do I convert MP4 to MP3 on my phone?
Will converting MP4 to MP3 reduce quality?
Can I convert only part of the MP4?
Is this MP4 to MP3 converter free?
Are my files uploaded to a server?
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