Ultra AVI Converter is a tool to help you convert,split,and join AVI files to AVI, MPEG, VCD, SVCD, DVD, WMV. Use it you can convert AVI(DivX, XviD, MPEG4...) file to AVI(Divx, XviD, MPEG4), MPEG1, MPEG2, VCD, SVCD, DVD, WMV/ASF file. It also enable you to joint some small AVI files to one in various format, and you can split a large AVI file to some small pieces of films. Ultra AVI Converter has a multi-tasks system.