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SILK to ALAC (M4A) - Online Audio Converter

Convert SILK to ALAC (M4A) online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

[+] Drop SILK audio here or click to select SILK
ALAC (M4A) (ALAC)

About SILK to ALAC (M4A)

Convert SILK to ALAC (M4A). SILK is Skype's speech codec for voice calls. ALAC is Apple's lossless codec stored inside M4A files. Stays bit-identical to WAV while tagging like AAC..

Why convert SILK to ALAC (M4A)?

SILK vs ALAC (M4A)

CodecSILKALAC
Compressionlossylossless
Sample behaviorQuality set by bitrateFull quality kept
Typical useSILK is Skype's speech codec for voice calls.ALAC is Apple's lossless codec stored inside M4A files.

When not to convert SILK to ALAC (M4A)

Limits

Starting point: SILK - SILK is Skype's speech codec for voice calls. Raw captures may lack headers; verify rate after conversion. Stays bit-identical to WAV while tagging like AAC. Encode ALAC (M4A) (ALAC) from SILK 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

How do I convert SILK to ALAC (M4A)?
Drop your SILK 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.