The first thing you need to learn is whether the video clip converter sustains the input formats that you are transforming from as well as the output formats that you are actually turning to. The sustained input styles should include nearly all video layouts while the assisted result layouts should feature most of well-known video formats. Sothink Free Video clip Converter assists AVI (DivX, XivD), MP4, MKV, MOV, WMV, TS, FLV, SWF, ASF, MPG, 3GP, 3G2, VOB (VCD), and also DV. That are going to most likely suffice.