FireMaster Tool - Version 5.4 Master password is used by Firefox to protect the stored sign-on information for all visited websites. If the master password is forgotten, then there is no and FireMaster is the first ever built tool to recover the lost master password in Firefox,However user can now use FireMaster to get back all their stored credentials. FireMaster supports dictionary, hybrid, brute-force and advanced pattern based brute-force password cracking techniques to ,However user can now use FireMaster to get back all their stored credentials. FireMaster supports dictionary, hybrid, brute-force and advanced pattern based brute-force password cracking techniques to recover from simple to complex password. Advanced pattern based password recovery mechanism reduces cracking time significantly especially when the password is complex,FireMaster is successfully tested with all versions of Firefox starting from 1.0 to latest version v6.0.2. It works on wide range of platforms starting from Windows XP to