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FLAC to ALAC (M4A) - Online Audio Converter
Convert FLAC to ALAC (M4A) online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert FLAC to ALAC (M4A)
Drop FLAC audio here or click to select
FLAC
ALAC (M4A) (ALAC)
About FLAC to ALAC (M4A)
Convert FLAC to ALAC (M4A). FLAC halves WAV sizes bit-for-bit with open hardware support. ALAC is Apple's lossless codec stored inside M4A files. Stays bit-identical to WAV while tagging like AAC..
Why convert FLAC to ALAC (M4A)?
- Larger files than lossy shares with ALAC (M4A) lossless quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
FLAC vs ALAC (M4A)
| Codec | FLAC | ALAC |
|---|---|---|
| Compression | lossless | lossless |
| Sample behavior | Full quality kept | Full quality kept |
| Typical use | FLAC halves WAV sizes bit-for-bit with open hardware support. | ALAC is Apple's lossless codec stored inside M4A files. |
When not to convert FLAC to ALAC (M4A)
- Skip ALAC (M4A) for the smallest share: lossless output stays large, so prefer a lossy target when sending FLAC files.
- Keep a master copy: repeated exports stack small losses, so archive FLAC before batch ALAC (M4A) shares.
Limits
Starting point: FLAC - Bit-identical compression near half the WAV size. Apple players prefer ALAC; convert for iPhone libraries. Stays bit-identical to WAV while tagging like AAC. Encode ALAC (M4A) (ALAC) from FLAC 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 FLAC to ALAC (M4A)?
Drop your FLAC 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.