MP3 at a Glance
| Type | Audio |
|---|---|
| Full name | MPEG-1 Audio Layer III |
| File extensions | .mp3 |
| MIME type | audio/mpeg |
| Developed by | Fraunhofer IIS / MPEG |
| Introduced | 1993 |
Convert MP3 to Other Formats
Convert Other Formats to MP3
Frequently Asked Questions
What is MP3 used for?
MP3 plays on every phone, computer, car stereo and smart speaker and keeps files small.
How do I open MP3 files?
MP3 files open in VLC, Windows Media Player, Apple Music, foobar2000. If you don't have such a program, convert the file to a format you can open with the converter on this page — free and without registration.
How do I convert MP3 files?
Drop the file into the converter at the top of this page, choose the output format and click "Convert". Files are deleted from our server automatically after 48 hours.
Is it free?
Yes, all converters are free, with no registration and no watermark.