Files never leave your device

Convert MP4 to AVI Online — Free

Convert MP4 videos to AVI format for legacy device compatibility. Free, browser-based.

Some older devices and software require AVI format. Convert your MP4 to AVI quickly in your browser.

Drop your file here

or click to select

Supported: MP4, MOV, WebM, AVI, MKV

How to Convert MP4 to AVI

Drag and drop your MP4 file.

The conversion runs locally — your file stays on your device.

Download the AVI file for use with legacy devices or software.