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AIFF to AU - Online Audio Converter
Convert AIFF to AU online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AIFF to AU
Drop AIFF audio here or click to select
AIFF, AIF
AU (PCM 16-bit)
About AIFF to AU
Convert AIFF to AU. AIFF is Apple's IFF-based counterpart to WAV with PCM audio. AU is Sun's simple container, usually holding 8 kHz telephony audio. Headers are minimal; verify sample rate after conversion..
Why convert AIFF to AU?
- Larger files than lossy shares with AU uncompressed quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AIFF vs AU
| Codec | PCM 16-bit | PCM 16-bit |
|---|---|---|
| Compression | uncompressed | uncompressed |
| Sample behavior | Full quality kept | Full quality kept |
| Typical use | AIFF is Apple's IFF-based counterpart to WAV with PCM audio. | AU is Sun's simple container, usually holding 8 kHz telephony audio. |
When not to convert AIFF to AU
- Skip AU for the smallest share: lossless output stays large, so prefer a lossy target when sending AIFF files.
- Keep a master copy: repeated exports stack small losses, so archive AIFF before batch AU shares.
Limits
Starting point: AIFF - AIFF is Apple's IFF-based counterpart to WAV with PCM audio. Metadata support is thinner than WAV's; check tags after conversion. Headers are minimal; verify sample rate after conversion. Encode AU (PCM 16-bit) from AIFF 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 AIFF to AU?
Drop your AIFF 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.