Convert M4A to ALAC

M4A → ALAC. Source file ≤ 100 MB · Output ≤ 100 MB.

M4A output contains AAC audio without a video track. ALAC is lossless audio in an M4A container, distinct from AAC/M4A.

M4A → ALAC: Example settings

60 s • 48,000 Hz • 2 ch • ALAC • MB: ?

ALAC: Output

Sizes are examples, not guarantees. Container overhead is extra; variable bitrate and image content change the result. Keep the original and compare the output.

JavaScript is required for file selection and processing.