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AVI to MP4 Converter
Turn an old AVI recording — from a camera, camcorder or archive — into a modern MP4 file that plays on any phone, TV or browser.
No need to wait — you can start the next one right away.
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Convert AVI to MP4 Free — No Software or Downloads
Convert AVI to MP4 online free — no software, no download. Turn old AVI recordings into MP4 that plays on any phone, TV or browser. Try it now!
Why Convert AVI to MP4 Online
- No software or downloads — convert AVI to MP4 online free right in your browser — skip VLC, HandBrake or codec packs
- Plays on every modern device — phones, tablets and smart TVs play MP4 natively, while AVI often needs extra codecs
- Much smaller files — old AVI codecs like DivX and Xvid waste space — H.264 MP4 is typically several times smaller at the same quality
- Works on Android and iPhone — convert AVI to MP4 from your phone's browser — no desktop app required
How to Convert AVI to MP4 Online for Free
- Upload your AVI file or paste a direct link to it.
- Or pick a clip you generated on Homiwork — your video archive is one click away.
- Check the output settings — MP4 is already selected.
- Press “Convert to MP4” and download the result or find it in your archive.
AVI to MP4: What's the Difference
AVI is one of the oldest video containers: Windows camcorders, digitizers and early editors produced it for decades, usually wrapping DivX, Xvid or MJPEG codecs. Those codecs are now poorly supported and inefficient, so AVI files take up far more space than they need to. MP4 with H.264 inside is the most widely supported format on the web — it plays natively on phones, TVs, browsers and every modern editor. Converting AVI to MP4 re-encodes the video into H.264, shrinking the file several times over while keeping it visually identical, so old recordings become easy to store, share and play anywhere.
When You Need an AVI to MP4 Converter
- Old camcorder footage — digitized home videos recorded before MP4 became the standard
- Downloaded or archived clips — AVI files pulled from old hard drives, disks or shared archives
- Editing software compatibility — most modern editors, including CapCut, Premiere and mobile apps, prefer MP4 over AVI
- Sharing on messengers and social media — MP4 uploads and previews everywhere, while AVI often gets rejected or won't play inline
Frequently Asked Questions
Is the AVI to MP4 converter free?
Yes. New users get starter energy points; one conversion costs 2–5 points depending on the video length.
Can I convert AVI to MP4 online without installing software?
Yes, everything runs on our servers — it works from a browser on any phone, tablet or laptop, no VLC or codec packs needed.
Will converting AVI to MP4 reduce quality?
Re-encoding uses high-quality settings, so the MP4 keeps the same visual quality while the file gets noticeably smaller.
What's the maximum AVI file size I can convert?
Up to 200 MB and 5 minutes by default, up to 1 GB and 20 minutes with Prime.
Can I convert AVI to MP4 on Android or iPhone?
Yes, the converter works in any mobile browser — there's no app to install.
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Web · May 2026
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A wonderful app with affordable prices.
Web · May 2026
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