AVI .avi
A multimedia container common in older Windows video workflows.
AVI file format guideAVI to AU converter
Convert AVI (.avi) to AU for free. Choose files, review the available settings and download your results. No account needed.
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Sun AU .au
A simple audio container associated with Sun and Unix systems. An AU header describes the sound encoding, sample rate, and channel count.
Tested output uses signed 16-bit big-endian PCM; AU also has encodings with different playback requirements.
AU file format guideHow to convert AVI to AU
- Select AVI files from your device or drag them into the converter.
- Check the AU output. Open conversion settings if you want to make adjustments.
- Convert, compare the original and result, then download your files.
Quality, compatibility and file limits
Trim a clip, resize the frame, or adjust playback speed before export. Video conversion re-encodes supported streams; subtitles, extra audio tracks, and container attachments are not preserved. Audio output requires an audio track in the input.
Processing uses your device when possible and our servers when required. Browser files are limited to 256 MB each; server conversions to 64 MB; browser spreadsheets to 32 MB. Previews show supported content and do not guarantee identical rendering in every application.