All Tools
[ audio bench ]
Opus to CAF - Online Audio Converter
Convert Opus to CAF online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert Opus to CAF
Drop Opus audio here or click to select
Opus
CAF (PCM 16-bit)
About Opus to CAF
Convert Opus to CAF. Opus adapts from 6 kbps speech to 510 kbps music with low latency. CAF is Apple's 64-bit container for large recordings beyond WAV limits. Few Windows tools open it; convert WAV for sharing..
Why convert Opus to CAF?
- Larger files than lossy shares with CAF uncompressed quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
Opus vs CAF
| Codec | Opus | PCM 16-bit |
|---|---|---|
| Compression | lossy | uncompressed |
| Sample behavior | Quality set by bitrate | Full quality kept |
| Typical use | Opus adapts from 6 kbps speech to 510 kbps music with low latency. | CAF is Apple's 64-bit container for large recordings beyond WAV limits. |
When not to convert Opus to CAF
- Skip CAF for the smallest share: lossless output stays large, so prefer a lossy target when sending Opus files.
- Keep a master copy: repeated exports stack small losses, so archive Opus before batch CAF shares.
Limits
Starting point: Opus - Opus adapts from 6 kbps speech to 510 kbps music with low latency. CD-era hardware may not decode it; use MP3 for legacy players. Few Windows tools open it; convert WAV for sharing. Encode CAF (PCM 16-bit) from Opus 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.
Related conversions
FAQ
How do I convert Opus to CAF?
Drop your Opus file onto this page, choose quality and codec settings, then click Convert. The result downloads as CAF instantly. All processing runs in your browser.
What codec is used for CAF?
The default codec for CAF 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.