Private media conversion
MP4 to AVI Converter
Transcode an MP4 into an AVI file for older editors, players, devices, and legacy software without uploading it.
The engine downloads once from a CDN. Your media remains on this device.
How to use the mp4 to avi converter
- STEP 1Choose a MP4 file up to 200 MB.
- STEP 2Convert it locally to AVI.
- STEP 3Download the finished AVI file.
About this tool
AVI remains useful for workflows and hardware that expect the Microsoft container rather than modern MP4.
The output uses MPEG-4 Part 2 video and 192 kbps MP3 audio for practical AVI compatibility; file size may increase.
Processing time depends on duration, source bitrate, output format, and device performance.
Frequently asked questions
Is the AVI only a renamed MP4?
No. The browser engine transcodes the streams and writes a genuine AVI container with MPEG-4 video and MP3 audio.
Is my MP4 file uploaded?
No. FFmpeg WebAssembly performs the conversion in your browser. The engine downloads from a CDN, but your media stays on your device.
What is the maximum file size?
The browser converter accepts files up to 200 MB. Long files may require substantial device memory.