Convert MP4 to AVI

Free online MP4 (.mp4) to AVI (.avi) converter. No signup. No watermark. Files deleted after 1 hour.

Drop files here or click to upload

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How to convert MP4 to AVI

  1. Drop your .mp4 file in the upload area above.
  2. Click Convert MP4 to AVI and wait a few seconds.
  3. Download the resulting .avi file.

About MP4 and AVI

MP4 (.mp4) is a video format. Converting it to AVI (.avi) is useful when you need a format that is more widely supported, easier to edit, or smaller in size. DocumentBuddy runs the conversion server-side using battle-tested open-source tools so the output matches what you would get from a desktop application.

Frequently asked questions

Is the MP4 to AVI converter free?

Yes — free for up to 2 conversions per day. The Day Pass ($3) unlocks unlimited use for 24 hours; Pro ($9/mo) is unlimited.

What happens to my files?

Uploaded files and conversion outputs are deleted from our servers within one hour. We never share or sell files.

Do I need to install anything?

No — everything runs in the browser. Works on Mac, Windows, Linux, iPhone, and Android.

Is there a file size limit?

Files up to 100 MB are supported on every plan.

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