Convert WMA to AU — lossless, so expect larger files
Free and unlimited, and nothing is uploaded: it all runs in your own browser. Open Audio Converter
What changes when you convert WMA to AU
- WMA audio 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.
How to convert WMA to AU
- Add your WMA 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 WMA to AU for free?
Add your WMA 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 WMA to AU lose quality?
WMA audio 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 WMA supports?
Yes within the format’s own limits — pixels, timing and structure survive the conversion.