How do I convert AVI to AU?

Drop your AVI file onto the converter above, make sure AU is selected, and click Convert. When it's done, download the AU file — it usually takes a few seconds.

Is it safe to convert AVI to AU here?

Yes. AVI to AU conversion happens entirely inside your browser using WebAssembly, so your file is never uploaded to any server.

Is the AVI to AU converter free?

Yes — free with no watermark. Signed-out visitors can convert 25 files a day, and a free account raises that to 250.

Will converting AVI to AU reduce quality?

No — AU preserves the content of your AVI file as faithfully as the format allows.

Can I convert multiple AVI files at once?

Yes. Add up to 5 files at a time without an account, 10 with a free account and up to 500 on paid plans, then download them individually or as a single ZIP.

AVI→MP4 MP3→AU AVI→MP3 MP4→AU AVI→WebP WAV→AU AVI→MOV MOV→AU AVI→GIF M4A→AU AVI→WAV WebM→AU AVI→WebM AVI→MKV AVI→M4A AVI→FLAC AVI→AAC AVI→OGG AVI→WMV AVI→Opus AVI→FLV AVI→M4V AVI→MPEG AVI→3GP AVI→WMA AVI→MPG AVI→TS AVI→AIFF AVI→AMR AVI→VOB FLAC→AU MKV→AU AAC→AU OGG→AU WMV→AU Opus→AU WMA→AU FLV→AU M4V→AU MPEG→AU 3GP→AU AIFF→AU AMR→AU MPG→AU TS→AU M4B→AU MTS→AU VOB→AU PNG→JPG JPG→PNG PNG→WebP JPG→WebP WebP→PNG WebP→JPG HEIC→PNG HEIC→JPG MP4→MP3 PNG→JPEG JPG→JPEG JPEG→PNG JPEG→JPG PNG→PDF JPG→PDF PDF→PNG PDF→JPG HEIC→WebP MP4→WebP PDF→DOCX DOCX→PDF JPEG→WebP WebP→JPEG PNG→GIF JPG→GIF GIF→PNG GIF→JPG MP4→MOV MOV→MP4 WebP→PDF HEIC→JPEG WebP→GIF GIF→WebP HEIC→PDF MP3→WAV WAV→MP3 JPEG→PDF PDF→JPEG SVG→PNG SVG→JPG HEIC→GIF MOV→MP3 MP4→GIF GIF→MP4 JPEG→GIF GIF→JPEG PNG→AVIF JPG→AVIF AVIF→PNG AVIF→JPG MP3→M4A M4A→MP3 GIF→PDF SVG→PDF PNG→SVG JPG→SVG PDF→SVG SVG→WebP MOV→WebP MP4→WAV MP4→WebM WebM→MP4 WebP→AVIF AVIF→WebP WebP→SVG SVG→JPEG MP4→MKV MKV→MP4 HEIC→AVIF MP4→M4A JPEG→AVIF AVIF→JPEG JPEG→SVG MOV→GIF GIF→MOV WebM→MP3 AVIF→PDF MP3→FLAC FLAC→MP3 MP4→AVI MKV→MP3 GIF→AVIF AVIF→GIF SVG→GIF GIF→SVG WebM→WebP MOV→WAV XLSX→PDF CSV→PDF EPUB→PDF PDF→EPUB MOV→WebM WebM→MOV MKV→WebP PNG→ICO JPG→ICO ICO→PNG ICO→JPG MP3→AAC WAV→M4A AAC→MP3 M4A→WAV MP4→FLAC MOV→MKV MKV→MOV MOV→M4A DOCX→EPUB EPUB→DOCX CSV→DOCX PDF→TXT DOC→PDF TXT→PDF

AVIAU

Convert AVI to AU

Free and private: AVI files are converted in your browser on computers; on phones, in our fast cloud and deleted automatically.

In your browser (fast cloud on phones)
No watermark
Batch & ZIP download

Need a smaller AVI? Compress AVI

How to convert AVI to AU

1
Add your AVI files
Drag and drop AVI files onto the converter, paste them, or click to browse. You can add several at once.
2
Choose AU
AU is already selected. Open Options if you want to change quality, size or metadata.
3
Convert
Click Convert. Your files are converted right in your browser in seconds.
4
Download your AU
Download each AU file, or everything at once as a ZIP.

AVI vs AU

From

AVI · Audio Video Interleave

AVI is Microsoft's classic video container from 1992. It's still found on older cameras and archives but lacks modern features.

Type: Video
Extension: .avi
MIME: video/x-msvideo
Best for: older camcorder footage and legacy video archives

Legacy format

All AVI conversions →

AU · Sun Audio

AU is a simple audio format introduced by Sun Microsystems, common on early Unix systems and Java.

Type: Audio
Extension: .au
MIME: audio/basic
Best for: legacy Unix and Java applications

Legacy format

All AU conversions →

AVI to AU: frequently asked questions

Free, private and in your browser

Convert AVI to AU in seconds.

No sign-up, no watermarks, no waiting in line. Drop a file and get it back in the format you need.

Convert a file Explore the API

Most conversions never leave your device
Cloud files deleted automatically
No watermarks

Convert AVI to AU

How to convert AVI to AU

Add your AVI files

Choose AU

Convert

Download your AU

AVI vs AU

AVI · Audio Video Interleave

AU · Sun Audio

Related conversions

Convert AVI to other formats

Convert other formats to AU

AVI to AU: frequently asked questions

Convert AVI to AU in seconds.