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AU to OGG / Vorbis - Online Audio Converter
Convert AU to OGG / Vorbis online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AU to OGG / Vorbis
Drop AU audio here or click to select
AU
OGG / Vorbis (Vorbis)
About AU to OGG / Vorbis
Convert AU to OGG. AU is Sun's simple container, usually holding 8 kHz telephony audio. OGG Vorbis is Xiph's open codec for music at lower bitrates than MP3. Apple devices prefer AAC; convert for iPhone playback..
Why convert AU to OGG / Vorbis?
- Smaller files with OGG lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AU vs OGG / Vorbis
| Codec | PCM 16-bit | Vorbis |
|---|---|---|
| Compression | uncompressed | lossy |
| Sample behavior | Full quality kept | Quality set by bitrate |
| Typical use | AU is Sun's simple container, usually holding 8 kHz telephony audio. | OGG Vorbis is Xiph's open codec for music at lower bitrates than MP3. |
When not to convert AU to OGG / Vorbis
- Skip OGG for archival masters: lossy compression discards detail, so keep the AU original.
- Keep a master copy: repeated exports stack small losses, so archive AU before batch OGG 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. Apple devices prefer AAC; convert for iPhone playback. Encode OGG (Vorbis) 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 OGG / Vorbis?
Drop your AU file onto this page, choose quality and codec settings, then click Convert. The result downloads as OGG / Vorbis instantly. All processing runs in your browser.
What codec is used for OGG / Vorbis?
The default codec for OGG / Vorbis is Vorbis. 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.