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Convert AVI to MP4

Turn your AVI file into MP4 directly on your device, without uploading it to a server.

Why convert AVI to MP4?

AVI is associated with “Classic video format”, while MP4 is described as “Universal video format”. Converting makes the file easier to open, share or use in software that expects MP4.

Quality and compatibility

FileXvert offers settings supported by both AVI and MP4. Start with original quality to preserve the result; use size reduction only when a smaller file matters more.

A genuinely private conversion

The file is read and converted in your browser memory. Its content and name are never sent to FileXvert or a third party. The result downloads directly to your device.

How to convert a AVI → MP4 file

  1. 1. Open this page. No sign-up and no installation are needed.
  2. 2. Choose your file. Drag it into the area above, or click to pick it. It is read from your disk and stays on your device.
  3. 3. Select the output format from those offered.
  4. 4. Run the conversion, then download the result. The conversion runs in your browser: nothing is sent to a server, and nothing is kept there.

Supported formats

MP4

Similar conversions

MOV to MP4WebM to MP4MKV to MP4MP4 to GIF

Going further

  • All supported formats and the conversions possible between them.
  • Frequently asked questions: privacy, size limits, offline use.
  • PDF editor: merge, reorder and redact documents.
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