River Past Animated GIF Converter is the easiest way to convert video to animated GIF. It convert video from 3G video (3GPP/3GPP2), ASF, AVI, DAT (VCD), DivX, DV, DVR-MS, FLC/FLI Flic animation, IVF, Matroska MKV, QuickTime MOV, MP4 (MPEG-4), MPEG-1, OGG Media OGM, RealMedia RM/RAM, VOB, VRO, WMV and XVID to animated GIF. You have the control over framerate, resolution, and quality, with the option to loop the animation. Compatible with Vista.