3GPP2 to QT Ripper is professional, all-in-one video conversion software which can batch convert video file between all popular video formats such as AVI to WMV, WMV to MP4, and AVI to 3GP. 3GPP2 to QT Ripper supports converting video formats between AVI, WMV, MPEG, MP4, ASF, VOB, 3GP, iPhone, MOV, FlV, etc. In addition, it can extract audio from video files and save them as MP3, AAC, AC3, AMR, M4A, OGG, and WAV. It owns all functions of A123 video conversion series. All conversion processes are very easy and fast with excellent quality.Convert your video 3GP files into AVI format. Covert between video formats such as DVD, VCD, SVCD, AVI, Divx, Xvid, MPG, MPEG, MPEG-1,MPEG-2, MPEG-4, RM, Zune, PSP, iPhone, RMVB, WMV, MOV, ASF, SWF, FLV, 3GP, MP4, iPod.