Windows
Xilisoft Video Converter Ultimate, which is a multifunctional video and audio converter, can convert video files from various formats with unmatchable speed and high quality. Now supports divers video and audio formats, like MPEG-4, AVI, H.264, DivX, XviD, RM, FLV, SWF, MOV, 3GP, WMV, MP3, AAC, AC3, M4A, WAV, WMA, etc. The ultimate version is more than a converter but also with owerful video effect editing functions to customize video effects.
