iCoolsoft M4A Converter

iCoolsoft M4A Converter is a superior audio converter that perfectly supports M4A formats. It can convert M4A to MP3, WMA, AAC and other audio formats and convert all popular audio files to M4A files. Video to M4A conversion is also supported. And it allows you to cut and merge M4A files and adjust M4A audio quality. You can get iPhone ringtone files by changing M4A file extension to .m4r.