RER Video Joiner is a powerful and efficient tool to join or merge multiple AVI, Divx, XviD, MPEG I/II, VOB, DAT, ASF/WMV files into one large file in various format. You can even use it to convert a single file. Support different AVI video Codecs, such as DivX, Xvid, MPEG4; NTSC/PAL setting options for DVD, VCD, SVCD exporting. Support large video file, even larger than 2GB; Very fast and without any quality loss; Very User-friendly interface.