Freeware Programs:
Download MP3 to AIFF 1.0

MP3 to AIFF 1.0  MP3 to AIFF is a free audio conversion tool to convert MP3 audio files to AIFF audios, and convert AIFF audio to MP3 audio files. The program have main tow functions "MP3 to AIFF" and "AIFF to MP3". It is a small and handy AIFF audio utility