Sparkle SWF Optimizer is designed to optimize, compress and reduce your flash file size, make your work more flexiable, and load fast on the internet! The most important is that it won`t change the flash version after optmizing the file, and will not lose flash quality as well. It works with Flash 3, flash 4, flash 5 and flash mx. It is an all in one optimizer rahter than the other optimizer which is only available for certain version of flash.