AVI and SWF To Animated GIF Converter Software - Version 7.0 Change multiple AVI or SWF files into animated GIFs. Drag and drop the AVI/SWFs files into the software and then click a button to start the process. There is a feature to specify the number of AVI/SWF frames per second in the animated GIF output. Output files will be put in the same folder as the source files.