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WAV to ADPCM - Online Audio Converter
Convert WAV to ADPCM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert WAV to ADPCM
Drop WAV audio here or click to select
WAV
ADPCM (ADPCM)
About WAV to ADPCM
Convert WAV to ADPCM. WAV is Microsoft's RIFF container, usually holding 16-bit PCM. ADPCM predicts samples to quarter voice-band bitrates. Variants differ by vendor, so confirm the flavor before converting..
Why convert WAV to ADPCM?
- Smaller files with ADPCM lossy compression.
- Keep quality where supported.
- Private, no upload - runs in your browser.
WAV vs ADPCM
| Codec | PCM 16-bit | ADPCM |
|---|---|---|
| Compression | uncompressed | lossy |
| Sample behavior | Full quality kept | Quality set by bitrate |
| Typical use | WAV is Microsoft's RIFF container, usually holding 16-bit PCM. | ADPCM predicts samples to quarter voice-band bitrates. |
When not to convert WAV to ADPCM
- Skip ADPCM for archival masters: lossy compression discards detail, so keep the WAV original.
- Keep a master copy: repeated exports stack small losses, so archive WAV before batch ADPCM shares.
Limits
Starting point: WAV - 16-bit PCM near 10 MB per minute. Files run about 10 MB per minute, so archive as FLAC. Variants differ by vendor, so confirm the flavor before converting. Encode ADPCM (ADPCM) from WAV 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 WAV to ADPCM?
Drop your WAV 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.