Ultra Flash Video FLV Converter SE - Version 3.9.8.76 Ultra Flash Video FLV Converter is professional Flash Video Encoder and SWF Converter software which helps you convert FLV and SWF video files like MPEG to FLV, AVI to FLV, WMV to FLV, AVI to SWF, MPEG to SWF, WMV to SWF etc.