Speedy fox a free utility from Crystalidea to Boost up the performance of Firefox . Download it actually nothing was wrong with Mozilla Firefox, it is a fast browser, but with the lapse of time it starts working much slowly . The reason is fragmentation of profile databases. A free tool SpeedyFox is designed specially to resolve that problem. The method used in SpeedyFox is 100% safe for your profile (e.g. bookmars, passwords, etc), it's well documented and tested on many computers. Learn more