Convert MP4 to MP3
Pull the soundtrack out of any MP4 video and save it as MP3 in seconds. Conversion happens inside your browser, so even large or private videos are never uploaded.
Drop MP4 files here
MP3, WAV, FLAC, M4A, OGG, OPUS, AAC, AIFF, WMA, AMR, MP4, MOV & more · Processed on your device - nothing is uploaded
How to convert MP4 to MP3
- Click "Choose files" or drag your MP4 videos onto the page.
- Make sure "MP3" is selected as the output format (192 kbps is a good default).
- Optionally click Edit to trim, adjust volume or add effects.
- Click Convert, then Download your MP3 files.
Why convert MP4 to MP3?
MP3 files are much smaller than video and play on any music player, phone or car stereo.
MP3 is best for music libraries, sharing, podcasts and playback on any device. Plays on virtually every phone, computer, car stereo, browser and media player.
Will I lose quality?
The audio is decoded from the MP4 video and encoded to MP3. Choose a lossless format (WAV/FLAC) for zero loss, or a high bitrate for MP3.
MP4 vs MP3
| MP4 | MP3 | |
|---|---|---|
| Full name | MPEG-4 Video | MPEG-1 Audio Layer III |
| Type | video | lossy |
| Best for | videos from phones, YouTube and social media | music libraries, sharing, podcasts and playback on any device |
| Typical size | varies | ~1.4 MB at 192 kbps per minute |
| Compatibility | Universal video format. | Plays on virtually every phone, computer, car stereo, browser and media player. |
| Developed by | - | Fraunhofer IIS / MPEG (1993) |
MP4 to MP3: questions
How do I convert MP4 to MP3?
Open this page, add your MP4 file, make sure MP3 is selected as the output format and click Convert. Your MP3 file is ready to download in seconds.
Will converting MP4 to MP3 lose quality?
The audio is decoded from the MP4 video and encoded to MP3. Choose a lossless format (WAV/FLAC) for zero loss, or a high bitrate for MP3.
Is this MP4 to MP3 converter free and safe?
Yes. It's free with no watermark or sign-up. Files are processed locally in your browser, so your audio is never uploaded or stored on our servers.
Can I convert many MP4 files to MP3 at once?
Yes - add up to 5 files at a time on the free plan (unlimited with Pro), convert them all with one click and download them as a ZIP.
What is the difference between MP4 and MP3?
MP4 (MPEG-4 Video) is a video format, the most common video format. We extract its soundtrack so you can save just the audio. MP3 (MPEG-1 Audio Layer III) is a compressed (lossy) format: the most widely supported compressed audio format. MP3 removes sounds the ear is unlikely to notice to make files about 10x smaller than CD audio.
Does it work on Mac, Windows, iPhone and Android?
Yes. The MP4 to MP3 converter runs in any modern browser - Chrome, Safari, Edge or Firefox - on desktop and mobile. No software to install.