Pull the soundtrack out of a AVI video as AU audio
Free and unlimited, and nothing is uploaded: it all runs in your own browser. Open Extract Audio
What changes when you convert AVI to AU
- AVI video is lossy and AU audio is lossless: converting cannot restore detail the source already discarded, and the AU audio file will usually be larger than the original.
- AVI video animation cannot be expressed in AU audio; the first frame is converted as a still image.
- The video’s audio track is extracted and re-encoded to AU audio; video frames are discarded.
How to convert AVI to AU
- Add your AVI file — drag it onto the page or choose it. It stays on your device.
- Pick AU as the output format.
- Press convert and download the result — individually or as one ZIP.
Questions
How do I convert AVI to AU for free?
Add your AVI file on this site, choose AU, and press convert. The whole conversion runs in your own browser — nothing is uploaded — and the AU file downloads straight from your device.
Will converting AVI to AU lose quality?
AVI video is lossy and AU audio is lossless: converting cannot restore detail the source already discarded, and the AU audio file will usually be larger than the original.
Does AU keep everything AVI supports?
Yes within the format’s own limits — animation is kept where the target supports it.