M4A MP3 Converter converts M4A/M4B to MP3 and MP3 to M4A/M4B quickly. The software is an easy to use audio converter that supports more than 110 audio and video files, and keeps ID3 tag when converting. You could convert formats between audio files and extract audio from video files with the converter. The software could convert file to M4B audiobook that is compatible with iPod and iPhone. It is full compatible with Vista and Windows 7. More…