This free online tool has been created for the name availability checking in social network Instagram. Username is unique parameter, which can not be repeated. You can see it on every user page on top. If you are choosing the Instagram username it must be checked up before the registration. It might has already been used by someone. Simply write the name you want to register in the search line. In that way if it is available, the green inscription appears - Available. If it’s not available - the red inscription Not Available.