OS X batch audio converter designed to help you convert Core Audio compatible formats.
FromAaron Smith:MicroAC is a simple to use yet powerful, streamlined OS X batch audio converter designed to help you convert Core Audio compatible formats.MicroAC gives you control for how many files to concurrently convert - convert a few or a ton at the same time!MicroAC is a GUI version for Apple's command line "afconvert" tool and comes with support for most of its input and output formats.
Convert MPC, APE, WV, FLAC, OGG, WMA, AIFF, WAV and Video to MP3.
Convert video and audio to FLAC.
Convert M4a to WAV, AIFF, MP3, OGG, AAC and vice versa in batch.