Convert video to MP4
Turn MOV, MKV, WebM and other videos into an MP4 that plays on every phone, computer and app.
Drop a video, or choose a file
MOV, MKV, WebM, AVI, M4V or MP4. Any size.
Your file never leaves your device
Plays everywhere
MP4 with H.264 video and AAC audio is the most widely supported video format there is. With Most compatible on, Okaysize re-encodes anything else, such as HEVC from iPhones or VP9 from WebM files, so the result plays on every device.
Fast when it can be
If the video inside is already H.264, Okaysize just moves it into an MP4 container without re-encoding. That's fast and keeps the original quality.
Questions
- How do I convert MOV to MP4?
- Drop the MOV file and choose Convert to MP4. iPhone MOV files usually use HEVC, which is re-encoded to H.264 when Most compatible is on.
- Will it lose quality?
- Copying H.264 loses nothing. Re-encoding uses a high quality setting, so the difference is very hard to see.
- Is there a size limit?
- No. Okaysize reads the video in pieces from your disk, so big files work too, within your device's memory.