ZC Video Converter can support almost of all video format, list as the following.

AVI;
DivX (*.divx; *.div);
Xvid (*.xvid);
MPEG (*.mpeg; *.mpg);
WMV (*.wmv);
ASF (*.asf);
ASX (*.asx);
Real Video(*.rm;*.rmvb);
VCD Format (*.dat);
Quick Time Format (*.mov);
DVR-MS(*.dvr-ms);
MTS(*.mts, *.m2ts);
FLV (*.flv);
MP4 (*.mp4; *.mpeg4);
MKV (*.mkv);
3GP (*.3gp;*.3gpp;*.3gp2;*.3g2);
Decrypted VOB(*.vob);
Nullsoft Video(*.NSV).