Convert AAC to ALAC

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

Raw AAC may report an estimated duration; M4A provides a timed container. ALAC is lossless audio in an M4A container, distinct from AAC/M4A.

AAC → 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.