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CAF to AMR-WB - Online Audio Converter
Convert CAF to AMR-WB online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert CAF to AMR-WB
Drop CAF audio here or click to select
CAF
AMR-WB (AMR-WB)
About CAF to AMR-WB
Convert CAF to AMR-WB. CAF is Apple's 64-bit container for large recordings beyond WAV limits. AMR-WB widens speech to 16 kHz for HD voice calls. 16 kHz sampling caps highs; keep a master for music..
Why convert CAF to AMR-WB?
- Smaller files with AMR-WB lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
CAF vs AMR-WB
| Codec | PCM 16-bit | AMR-WB |
|---|---|---|
| Compression | uncompressed | lossy |
| Sample behavior | Full quality kept | Quality set by bitrate |
| Typical use | CAF is Apple's 64-bit container for large recordings beyond WAV limits. | AMR-WB widens speech to 16 kHz for HD voice calls. |
When not to convert CAF to AMR-WB
- Skip AMR-WB for archival masters: lossy compression discards detail, so keep the CAF original.
- Keep a master copy: repeated exports stack small losses, so archive CAF before batch AMR-WB shares.
Limits
Starting point: CAF - CAF is Apple's 64-bit container for large recordings beyond WAV limits. Few Windows tools open it; convert WAV for sharing. 16 kHz sampling caps highs; keep a master for music. Encode AMR-WB (AMR-WB) from CAF 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 CAF to AMR-WB?
Drop your CAF file onto this page, choose quality and codec settings, then click Convert. The result downloads as AMR-WB instantly. All processing runs in your browser.
What codec is used for AMR-WB?
The default codec for AMR-WB is AMR-WB. 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.