Click the «Choose files» button and select the AU files you want to convert to MP3.
Select «MP3» as the target format. Click «Convert» to start converting AU to MP3. It only takes a few seconds.
Done! Your AU file has been converted to MP3 format. You can download it to your device.
AU is a compressed audio file format developed by Sun Microsystems. An AU audio file consists of three parts: title, description, and audio data. The AU format is often used in UNIX.
MP3 is an audio coding format for digital audio which uses a form of lossy data compression. It is a common audio format for consumer audio streaming or storage and a de facto standard of digital audio compression for the transfer and playback of music on most digital audio players.
| 🔁 Conversion | AU to MP3 |
| ⏱ Time to convert | 20 seconds |
| 💳 Cost | Free |
| 📂 File types | Audio |
| ✳️ File extensions | .au, .mp3 |
| 📏 File size limit | 75 MB |
| 👩💻 Supported OS | Windows, Linux, MacOS, iOS, Android |
You don't need to download and install any software to convert .au files to .mp3 format. All conversions take place in the cloud.
Your files are completely safe and accessible only to you. All files will be permanently deleted within 2 hours after conversion.
Convert your au files to mp3 in 2 clicks. And don't pay anything for it! Our AU to MP3 Converter is free for all users.