How to Convert AVI to MP4
Convert an AVI file to MP4 so it plays on modern devices, uploads to online platforms and takes up less space...
Read guide →AVI to MP4 Converter
Convert an AVI video file to the more universally-compatible MP4 format, free.
Large videos can take a little while to process — the page will wait and start your download automatically once it's ready.
Free to useNo software to install — works in any modern browser.
No signup neededOpen the tool and start straight away.
Files deleted automaticallyUsed only to make your result. The result is deleted when you download it, or automatically after about an hour.
Works on mobileSame tool on your phone, tablet or desktop.
How it works
- Upload — select or drag & drop your file.
- Process — choose any options and start; most files take a few seconds, large files, OCR and video can take a minute or two.
- Download — save the result; it is deleted from the server once downloaded (or after about an hour).
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About AVI to MP4
AVI is an older container format with limited modern compatibility, especially on phones and web browsers. This re-encodes it to standard MP4 (H.264/AAC), the format that plays everywhere without extra codecs.
AVI to MP4 guides
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