Free MP4 to AVI Converter

Convert MP4 to AVI Online

Private MP4 to AVI conversion powered by FFmpeg.wasm. No server upload, no watermark.

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Drop a video or audio file

MP4, MOV, AVI, MKV, WEBM, MP3, WAV, AAC · Up to 200MB free

Frequently asked questions

Upload your file to Convert.AI, select AVI, and click Convert.

Yes. FFmpeg runs entirely in your browser; files never leave your device.

Free users can convert files up to 200MB.