TToolsKit

AVI → MP4

Convert old AVI files to MP4 for modern playback and sharing.

.avi · up to 500 MB

How to use avi → mp4

  1. 1
    Drop AVI

    Any AVI file.

  2. 2
    Download MP4

    Plays everywhere, much smaller.

Frequently asked questions

Why is the output smaller?
AVI often uses older codecs (DivX/Xvid). H.264 is ~2× more efficient at the same quality.

Related tools

MOV → MP4
Convert iPhone MOV files to MP4 for universal playback.