All Tools
[ audio bench ]
AIFF to ADPCM - Online Audio Converter
Convert AIFF to ADPCM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert AIFF to ADPCM
Drop AIFF audio here or click to select
AIFF, AIF
ADPCM (ADPCM)
About AIFF to ADPCM
Convert AIFF to ADPCM. AIFF is Apple's IFF-based counterpart to WAV with PCM audio. ADPCM predicts samples to quarter voice-band bitrates. Variants differ by vendor, so confirm the flavor before converting..
Why convert AIFF to ADPCM?
- Smaller files with ADPCM lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
AIFF vs ADPCM
| Codec | PCM 16-bit | ADPCM |
|---|---|---|
| Compression | uncompressed | lossy |
| Sample behavior | Full quality kept | Quality set by bitrate |
| Typical use | AIFF is Apple's IFF-based counterpart to WAV with PCM audio. | ADPCM predicts samples to quarter voice-band bitrates. |
When not to convert AIFF to ADPCM
- Skip ADPCM for archival masters: lossy compression discards detail, so keep the AIFF original.
- Keep a master copy: repeated exports stack small losses, so archive AIFF before batch ADPCM 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. Variants differ by vendor, so confirm the flavor before converting. Encode ADPCM (ADPCM) 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.
Related conversions
FAQ
How do I convert AIFF to ADPCM?
Drop your AIFF 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.