Convert MP3 to M4A

MP3 → M4A. Source file ≤ 100 MB · Output ≤ 100 MB.

MP3 is lossy audio; a higher bitrate usually produces a larger file. M4A output contains AAC audio without a video track.

MP3 → 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.