yoyo FLV to SWF Converter - Version 3.30 yoyo FLV to SWF Converter is a easy to use video converter software. It can convert FLV to SWF, DivX, XviD, MOV, MPG,MPEG-2,MPEG-4, AVI and WMV Video format.Publish your AVI video files on your web site or blog can be easily accomplished by using yoyo FLV to SWF Converter. It can convert FLV to SWF video files. You may inset the SWF videos into WEB page easily.