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UsernameCheck helps you quickly check the availability of your favorite username across 45 popular user-powered websites. In case you want to make sure you have registered your preferred username on every popular site this is the right website to check first. All it needs from you is a username so that it can check for it on all those sites and give you a report like the one below.

From the site:

“This site is a quick and dirty solution to a question that I often lay awake at night worrying about. Do I have my username registered across every site that I should? What if the next internet humiliation meme just happens to share the username I’ve been using for years, and suddenly people are emailing me asking “hey, is this you ???”.

username check

Update: The site is no longer available as an alternative use CheckUserNames.

Go to UsernameCheck @

  1. MasterMIKE
    July 2, 2009 at 2:52 pm

    The site is back up, either that or it was never taken down.

  2. p@r@noid
    February 25, 2009 at 11:45 pm

    Site has been taken down by the admin

  3. Eric
    February 24, 2009 at 11:31 pm

    too bad the site is down. i really needed to use it.

  4. m
    February 18, 2009 at 8:00 pm

    Not too accurate--I tried searching for a username I wanted with Yahoo. It said it is available but when I went to sign up for it, it said that ID is not available.

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