AVI to MP4 converter
Drop your AVI video below and download it as MP4 — free, with no sign-up and no watermark.
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Popular conversions
How to convert MP4 to MP3
- Choose Audio, then set From to MP4 and To to MP3.
- Drop your video file into the box.
- Download the MP3 as soon as it’s ready.
Studio-grade encoding
Squozi uses proven open-source encoders under the hood, so your files play on every phone, laptop, TV and editing app.
Why convert AVI to MP4?
Bring old AVI videos up to date: MP4 files are smaller and play on modern phones, TVs and websites.
What is AVI?AVI is an older Windows video format. Files are large and modern phones, TVs and websites often won’t play them.
What is MP4?MP4 (H.264) is the most widely supported video format: it plays on phones, browsers, TVs, editing apps and every social network.
How to convert AVI to MP4
- Drop your AVI file into the box above, or click Choose files.
- MP4 is already selected as the output — change the quality if you like.
- Download the result (or everything as a ZIP). Your files are deleted after 2 hours.
Questions
Is the AVI to MP4 converter free?
Yes — free, with no sign-up and no watermark. Up to 20 files at a time, 100 MB each.
Will I lose quality?
When the AVI already uses MP4-compatible video and audio, it’s copied unchanged — no quality loss at all. Otherwise it’s re-encoded at high quality.
Are my files private?
Files travel over an encrypted connection, are processed automatically and are deleted after 2 hours. Nobody looks at them.