M4A to AAC Online

Free M4A to AAC converter — no signup, no watermark. Upload your file and download the result in seconds. Files are deleted automatically after conversion.

Drop your files here or browse local directory

Up to 150 MB per file · 1 file at a time · 56 formats

My Files
From

M4A

— MPEG-4 Audio

M4A is Apple's preferred audio container, typically holding AAC-encoded audio. The default format for iTunes and Apple Music downloads.

All M4A conversions
To

AAC

— Advanced Audio Coding

AAC delivers better sound quality than MP3 at the same bitrate. Used by Apple devices, YouTube, and most modern streaming platforms.

All AAC conversions

Other M4A conversions

Other formats to AAC

How to convert M4A to AAC

1

Upload your M4A file

Click the upload area or drag and drop your M4A file. Files up to 150 MB are supported.

2

Convert to AAC

AAC is pre-selected as the output. Click Convert — most files finish in under 30 seconds.

3

Download your AAC file

Your converted AAC file is ready instantly. Files are automatically deleted after 3 hours for your privacy.