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AU to WAV - Online Audio Converter
Convert AU to WAV online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AU to WAV
Drop AU audio here or click to select
AU
WAV (PCM 16-bit)
About AU to WAV
Convert AU to WAV. AU is Sun's simple container, usually holding 8 kHz telephony audio. WAV is Microsoft's RIFF container, usually holding 16-bit PCM. Files run about 10 MB per minute, so archive as FLAC..
Why convert AU to WAV?
- Larger files than lossy shares with WAV uncompressed quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AU vs WAV
| Codec | PCM 16-bit | PCM 16-bit |
|---|---|---|
| Compression | uncompressed | uncompressed |
| Sample behavior | Full quality kept | Full quality kept |
| Typical use | AU is Sun's simple container, usually holding 8 kHz telephony audio. | WAV is Microsoft's RIFF container, usually holding 16-bit PCM. |
When not to convert AU to WAV
- Skip WAV for the smallest share: lossless output stays large, so prefer a lossy target when sending AU files.
- Keep a master copy: repeated exports stack small losses, so archive AU before batch WAV shares.
Limits
Starting point: AU - AU is Sun's simple container, usually holding 8 kHz telephony audio. Headers are minimal; verify sample rate after conversion. Files run about 10 MB per minute, so archive as FLAC. Encode WAV (PCM 16-bit) from AU at 256k for music or 128k for speech, starting from the master.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.
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FAQ
How do I convert AU to WAV?
Drop your AU file onto this page, choose quality and codec settings, then click Convert. The result downloads as WAV instantly. All processing runs in your browser.
What codec is used for WAV?
The default codec for WAV is PCM 16-bit. You can change audio parameters in Advanced mode.
How do you store my files?
We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.