m4r ringtone maker

M4R Ringtone Maker supports to convert mp3 to m4r as iphone ringtone, also allows you to converts most popular video and audio files such as AVI, MPEG, WMV, MP4, FLV, MKV, H.264/MPEG-4, DivX, XviD, MOV, RM, RMVB, M4V, VOB, ASF, 3GP, 3G2, H.264, QT, MPV ,i