MP4 at a Glance
| Type | Video |
|---|---|
| Full name | MPEG-4 Part 14 |
| File extensions | .mp4, .m4v |
| MIME type | video/mp4 |
| Developed by | MPEG |
| Introduced | 2001 |
Convert MP4 to Other Formats
Convert Other Formats to MP4
Frequently Asked Questions
What is MP4 used for?
MP4 plays on every phone, computer, TV and website.
How do I open MP4 files?
MP4 files open in VLC, Windows Media Player, QuickTime Player, Google Chrome. 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 MP4 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.