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WAV to ALAC (M4A) - Online Audio Converter
Convert WAV to ALAC (M4A) online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert WAV to ALAC (M4A)
Drop WAV audio here or click to select
WAV
ALAC (M4A) (ALAC)
About WAV to ALAC (M4A)
Convert WAV to ALAC (M4A). WAV is Microsoft's RIFF container, usually holding 16-bit PCM. ALAC is Apple's lossless codec stored inside M4A files. Stays bit-identical to WAV while tagging like AAC..
Why convert WAV to ALAC (M4A)?
- Larger files than lossy shares with ALAC (M4A) lossless quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
WAV vs ALAC (M4A)
| Codec | PCM 16-bit | ALAC |
|---|---|---|
| Compression | uncompressed | lossless |
| Sample behavior | Full quality kept | Full quality kept |
| Typical use | WAV is Microsoft's RIFF container, usually holding 16-bit PCM. | ALAC is Apple's lossless codec stored inside M4A files. |
When not to convert WAV to ALAC (M4A)
- Skip ALAC (M4A) for the smallest share: lossless output stays large, so prefer a lossy target when sending WAV files.
- Keep a master copy: repeated exports stack small losses, so archive WAV before batch ALAC (M4A) shares.
Limits
Starting point: WAV - 16-bit PCM near 10 MB per minute. Files run about 10 MB per minute, so archive as FLAC. Stays bit-identical to WAV while tagging like AAC. Encode ALAC (M4A) (ALAC) 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.
Related conversions
FAQ
How do I convert WAV to ALAC (M4A)?
Drop your WAV file onto this page, choose quality and codec settings, then click Convert. The result downloads as ALAC (M4A) instantly. All processing runs in your browser.
What codec is used for ALAC (M4A)?
The default codec for ALAC (M4A) is ALAC. 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.