CloudConvert

AU to M4A Converter

CloudConvert converts your audio files online. Amongst many others, we support MP3, M4A, WAV and WMA. You can use the options to control audio quality and file size.

to

Select your file here to get started

or drop your file here.

Formats involved

AU

– Audio File

AU is an audio file format, used on Sun and Unix systems.

AU Converter

M4A

– MPEG-4 Audio Layer

M4A is an audio file format that is very similar to MP4. It is a proprietary file format of Apple. iTunes store contains the audios as M4A format. It uses MPEG-4 codec to contain audio files. One of the basic differences between M4A and MP4 is M4A does not contain videos like MP4.

M4A Converter