CrustifyAVI Audio Video Interleave
Microsoft's video format from the 1990s, found on old cameras, DVDs ripped with DivX or Xvid, and older downloads. AVI files are large for their quality, and phones and browsers rarely play them.
Video · Windows 10 and 11
Convert AVI to MP4 on Windows, offline.
Old camera clips, DVD rips and downloads from the DivX and Xvid days are often AVI. MP4 plays them on any phone, TV or browser, usually in a smaller file.
- Nothing is uploaded
- Many files at once
- No sign-up
- No other software needed
How to convert AVI to MP4
- Select your AVI filesIn File Explorer or on the desktop. One file, or a hundred.
- Start dragging, then tap ShiftThe Convert wheel opens right under your cursor, with every format this file can become.
- Drop on MP4Crustify converts on your PC and saves the result next to the original. That's it.
First time? Download Crustify and install it. It waits in the tray, using about 3 MB of memory, until you drag a file.
Convert AVI
Convert to MP4
What you get
- The video is converted to H.264 and the sound to AAC, the most compatible combination there is.
- Encoding uses your graphics card when it can, so it's quick even for long clips.
- Convert a whole folder of old videos in one go.
- Each MP4 is saved next to its original, with the same name.
- Your original file is never changed. If the new name is taken, Crustify adds (1), (2) and so on.
- Long files show their progress in a small panel, and you can cancel at any time.
About the formats
MP4 MPEG-4 video
The video format that plays practically everywhere: phones, TVs, browsers, WhatsApp, YouTube and every editor. With H.264 video and AAC sound inside, it is the safest choice for sharing.
Questions
AVI to MP4, answered.
Will my old videos look worse?
No. They're encoded at a high quality setting, so the MP4 looks the same as the AVI.
Can I convert lots of AVIs at once?
Yes. Select them all, drag, tap Shift and drop on MP4. They're converted one after another, and each MP4 is saved next to its original.
Is Crustify free?
You can use everything free for 7 days, with no key or card. After that it's ₹49 once for a lifetime licence on up to 2 PCs. No subscription.
Convert AVI to MP4 without uploading a thing.
Crustify converts images, video, audio, PDFs and documents on your PC, offline.