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CAF to ADPCM - Online Audio Converter
Convert CAF to ADPCM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert CAF to ADPCM
Drop CAF audio here or click to select
CAF
ADPCM (ADPCM)
About CAF to ADPCM
Convert CAF to ADPCM. CAF is Apple's 64-bit container for large recordings beyond WAV limits. ADPCM predicts samples to quarter voice-band bitrates. Variants differ by vendor, so confirm the flavor before converting..
Why convert CAF to ADPCM?
- Smaller files with ADPCM lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
CAF vs ADPCM
| Codec | PCM 16-bit | ADPCM |
|---|---|---|
| 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. | ADPCM predicts samples to quarter voice-band bitrates. |
When not to convert CAF to ADPCM
- Skip ADPCM 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 ADPCM 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. Variants differ by vendor, so confirm the flavor before converting. Encode ADPCM (ADPCM) 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 ADPCM?
Drop your CAF file onto this page, choose quality and codec settings, then click Convert. The result downloads as ADPCM instantly. All processing runs in your browser.
What codec is used for ADPCM?
The default codec for ADPCM is ADPCM. 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.