For your Facebook account you can enter password in anyway, meaning there is no relation with uppercase or lowercase and so vice-versa conversion is possible. For example, the passwords ShankaR or sHANKAr are considered the same and if you remember password only that is enough to get into your Facebook account.
Facebook Password May Be Entered in Anyway
Because of creating number of accounts in the websites, try to keep the password secure and very strong. Due to this, your accounts will be at safer side. In most percentage the passwords your enter in websites and user services will be case sensitive. But it is not like this in important social networking website – Facebook.