About AVI to MP4
AVI is an old container that many phones and web apps no longer play. Converting to MP4 makes old camera clips and archives shareable again.
AVI files usually contain older codecs such as Xvid or DivX, so the video is normally re-encoded to H.264. Expect this to take a while on long clips.
The FFmpeg engine (about 31 MB) downloads the first time you convert and is then cached by your browser. Files up to about 100 MB are supported because everything runs in browser memory.
AVI vs MP4
| AVI | MP4 | |
|---|---|---|
| What it is | Older Microsoft container | MPEG-4 Part 14 container |
| Typical codecs | Often MPEG-4 Part 2 (Xvid/DivX) or MJPEG video, MP3 audio | H.264 or HEVC video, AAC audio |
| Common use | Old cameras and archives | Plays almost everywhere |
How to do it
- 1
Drop a AVI file into the converter above (already set to MP4).
- 2
No settings needed.
- 3
Tap Convert, keep the tab open until it finishes, then download the MP4.