Switch is one of the most stable, easy-to-use, and comprehensive multi format audio file converters available. Convert WMA, WAV, CDS, AIFF, MPEG, AVI and more to MP3 files or convert MP3 files to another audio format. Features Convert or compress MP3 files quickly and easily Universal music converter supporting all popular formats Change bitrate, format or size of MP3 files Batch audio conversion to convert thousands of files at once