Power Video Joiner is a powerful and efficient tool to join or merge multiple AVI, MPG, MPEG, WMV, MP4, ASF, MOV, QT, 3GP, DAT, OGM, RM, RMVB, FLV, BMP, GIF, JPG files into one large file in various format (iPod, PSP AVI, MPEG, MPEG 1, MPEG 2, MPEG 4, VCD, DVD, SVCD, RMVB, RM, WMV, MOV, DIVX, 3GP, FLV). You can even use it to convert a single file. Support large video file, even larger than 2GB; Very fast and without any quality loss.