MediaHuman Audio Converter is a freeware application for Mac OS X and Windows.It can help you to convert your music absolutely free in WMA, MP3, AAC, WAV, FLAC, OGG, AIFF or Apple Loseless format. This software was designed especially to simplify as much as possible the process of audio conversion. At the same time, it gives you an opportunity to adapt it to your needs. That's why the user interface is simple, intuitive and very easy to understand. It doesn't contain anything superfluous.
Main Features:
Convert between all key audio formats: MP3, WMA, WAV, FLAC, AAC, M4A, OGG, etc.
iTunes support: add converted files direct to your iTunes library
Convert multiple files simultaneously, depends on quantity of your processor cores