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WebA to AU - Online Audio Converter
Convert WebA to AU online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert WebA to AU
Drop WebA audio here or click to select
WebA, WebM
AU (PCM 16-bit)
About WebA to AU
Convert WebA to AU. WebA is the audio-only WebM profile for Opus and Vorbis. AU is Sun's simple container, usually holding 8 kHz telephony audio. Headers are minimal; verify sample rate after conversion..
Why convert WebA to AU?
- Larger files than lossy shares with AU uncompressed quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
WebA vs AU
| Codec | WebA | PCM 16-bit |
|---|---|---|
| Compression | lossy | uncompressed |
| Sample behavior | Quality set by bitrate | Full quality kept |
| Typical use | WebA is the audio-only WebM profile for Opus and Vorbis. | AU is Sun's simple container, usually holding 8 kHz telephony audio. |
When not to convert WebA to AU
- Skip AU for the smallest share: lossless output stays large, so prefer a lossy target when sending WebA files.
- Keep a master copy: repeated exports stack small losses, so archive WebA before batch AU shares.
Limits
Starting point: WebA - WebA is the audio-only WebM profile for Opus and Vorbis. Browser caches may mislabel it; check the extension on export. Headers are minimal; verify sample rate after conversion. Encode AU (PCM 16-bit) from WebA 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 WebA to AU?
Drop your WebA file onto this page, choose quality and codec settings, then click Convert. The result downloads as AU instantly. All processing runs in your browser.
What codec is used for AU?
The default codec for AU 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.