Getting a desired username on any website is not so easy task these days. So it is better to do a bit research and then select a username. Here is a great tool which let you check that if a username is available to create an account or not?

HOW TO : Check Username Availability On All Social Media Sites In One Click

1. NameCHK : NameChk is the site which let you check if your desired username or vanity url is still available at dozens of popular Social Networking and Social Bookmarking websites.

2. KNOW'EM? : Know'em also let you check that whether the username entered to check is also available as a domain or not which is really a bonus feature of it.

3. CheckUsernames : Another username availability checking tool for the social media sites