Audio Conversion
Convert WAV to AU Online — Free
Fast, free WAV to AU converter. No registration required.
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Works Everywhere
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How to Convert
1
Upload your .wav file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .au file when it's ready.
What is WAV?
WAV is an uncompressed audio format developed by Microsoft and IBM. It provides perfect audio quality but results in large file sizes.
Format Details
- Full Name
- Waveform Audio File Format
- Extension
- .wav
Key Features
- Lossless quality
- Professional standard
- No compression
- Wide compatibility
What is AU?
AU is an audio format created by Sun Microsystems. It's one of the oldest digital audio formats, commonly used on Unix and Java platforms.
Format Details
- Full Name
- Sun Microsystems Audio
- Extension
- .au
Key Features
- Unix standard
- Java audio
- Simple format
- Legacy support
WAV vs AU
| Feature | WAV | AU |
|---|---|---|
| Full Name | Waveform Audio File Format | Sun Microsystems Audio |
| Extension | .wav | .au |
| Best For | Lossless quality | Unix standard |
Frequently Asked Questions
Yes. You can convert up to 5 files per day completely free, with no watermark or registration required.
Most files convert in under 30 seconds. Larger files (over 500MB) may take 1-3 minutes.
No. Our converter uses optimized encoding settings by default to preserve the original quality.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB.
Yes. Our converter works in any modern web browser on any device.