MP4 to MP3 Desktop Version 2.0
P4 to MP3 is an online free service converts MP4 and more video formats to MP3 songs and more audio formats. This is the desktop installation version which could convert MP4 to MP3 music offline without uploading files onto the server. It supports most of popular video and audio formats like MP4, AVI, WMV, M4P, MOV, MPG, MP3, WMA, OGG, FLAC, AAC etc.