AVI to MP4 Converter

Old AVI files play everywhere once converted to MP4. This free AVI to MP4 converter runs entirely in your browser, so your files are never uploaded.

AVI is an older Windows video container. MP4 is the most widely supported video container.

How to convert AVI to MP4: Choose your AVI files, or drop them onto the converter. The output is already set to MP4. Adjust quality or size if you like. Convert and download your MP4 files.

Is this AVI to MP4 converter free? Yes. It's free to use, with no sign-up and no watermark.

Are my files uploaded? No. The conversion runs in your browser, so your files never leave your device.

What changes when I convert AVI to MP4? AVI files usually use older codecs, so the video is re-encoded to H.264.

Can I convert several AVI files at once? Yes. Add as many files as you like and they're converted one after another.

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