Read what users think about our software:

I also use the MIDI converter software to create audio CDs for choir members to learn ther parts. Some of them don't have computers and e-mail to use MIDI files, so with the converter I can give them a CD to play on standard audio equipment."
Earl Hughes

Batch Processing

Free M4a to MP3 Converter is able to convert AAC, M4a, M4b, 3GP, MP4 files to MP3 and WAV formats in batch. You can simply drag&drop your files to the program, or use the "Add files" button on the toolbar.

Convert multiple AAC and M4a files at once

Then select output format (WAV or MP3), its settings, set output folder, and click "Convert" (or hit F5 on your keyboard).

All files in the list will be converted to the selected output format. You can mix different input formats: AAC with M4a, M4b, MP4, 3GP etc.