Launch Free M4a to MP3 Converter. Click the “Add files” button on the toolbar.

Open M4a files

Using the “Open” system dialog, browse to your M4a or AAC files and open them.

Select files to convert

Alternatively you can use Drag&Drop to add files for converting.

Select output format from the dropdown list in the “Output format” area (the right lower corner). We decided to convert our M4a to MP3, so let’s select the format.

Set output audio format

Click “Convert” on the toolbar, or hit F5 on your keyboard.

Convert AAC, M4a, M4b, MP4, 3GP files from the list

Additionally you can freely choose output folder, set quality for output MP3 files, preview or play your M4a and AAC files using the built-in player. Some options are available in the “Options” menu.

Free M4a to MP3 Converter can also scan a folder and add all supported files from the folder and its subfolders. Thus, you can easily convert entire folders of M4a to MP3.