AU converter
Convert AU files to 17 other formats, or turn 41 other formats into AU. Everything runs in your browser — drop a file in and pick where it should end up.
Drop your AU files here
or browse your device · paste with Ctrl+V
Accepts .au, .snd. Choose any output format from the menu on each row.
Your files never leave this device — there is no upload and no server to delete them from.
AU
Sun AudioThe Unix system-sound format from Sun Microsystems, usually holding 8-bit mu-law audio. Historically important, practically obsolete.
- Developed by
- Sun Microsystems
- Released
- 1992
- Extension
- .au, .snd
- MIME type
- audio/basic
- Compression
- Lossy or lossless
- Readable directly in your browser.
- Can be written directly in your browser.
- 17 outgoing and 41 incoming conversions available.
- 01
Add AU files
Drop them on the box above. Batches are fine — each file gets its own row and its own settings.
- 02
Pick an output format
The menu on each row lists every format this file can become, grouped by category and searchable.
- 03
Convert and save
Everything happens locally. Download the files individually, or grab the whole batch as a ZIP.