A free and easy way to check the availability of an Xbox Live Gamertag (if it is already registered or not). If you want to change your name, or just want to start a new account, don't manually key in every letter on your Xbox, just use this site to check if the gamertag you want is already registered or not! Feel free to use our service as much as you want. Please note that some users have reported issues using this site with Internet Explorer. For best results, use this site with FireFox.