Convert AAC, M4A and other formats to MP3
Convert M4A/AAC into MP3/WAV/WMA format.
Convert iTunes audiobooks or Audible audiobooks to MP3, AAC, M4A, AC3, and so on
Convert MP4, M4A, M4B, AAC to MP3 or WAV. Split M4B audiobooks based on chapters
Convert AAC to MP3, Convert M4A to MP3, etc