Convert AAC to M4A
AAC → M4A. Source file ≤ 100 MB · Output ≤ 100 MB.
Raw AAC may report an estimated duration; M4A provides a timed container. M4A output contains AAC audio without a video track.
AAC → M4A: Example settings
60 s × 192 kbps ÷ 8 ≈ 1.44 MB • AAC / M4A
M4A: 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.