ADD YOUR MP4
Drop the MP4 file into the box above or choose it from your device.
MP4 → AVI / online converter
Convert an MP4 video to AVI so it plays on old computers, players and legacy software.
01 / how to
Drop the MP4 file into the box above or choose it from your device.
AVI is already selected. Press Convert and wait a few seconds.
Save the finished AVI file. The original is deleted from our server.
02 / what you get
Kept
Good to know
03 / formats
MP4
An MP4 file is the most universally supported video container — plays on every device, browser, and platform. The default choice when you're not sure what format to use.
Used in: Universal playback · Sharing · Web video
AVI
An AVI file is a video container from the early 1990s, one of the oldest still in circulation. Still shows up in old archives, but rarely produced new today.
Used in: Old video archives · Legacy software
04 / more
Have a different file? Open the main converter — it detects the format for you.