ThunderSoft SWF to GIF Converter - Version 2.4.3 When you need a kind of animation effect to show something on website or other places but SWF file is not suitable to use, then you can have a try of gif animation. ThunderSoft SWF to GIF Converter is a professional converter for SWF file to animated gif conversion. User interactive flash movie is also suitable for conversion.Feature List Convert SWF to GIF format with high qualitySupports image logo or watermark Allow batch conversionAllow crop the flash movie for the output Supports auto conversion and user interactive conversion processSupports custom output frame rateSupports custom play speed in gif