The security of your data is very important, no matter whether it is online or offline. One of the most basic measures taken to prevent hackers from accessing your confidential data is to keep a strong password for your system and online accounts. The Microsoft Password Checker is a free online service which lets you verify the strength of your passwords.
Just enter your password into the box to see the strength of the password. Microsoft password checker will rate your password as Weak, Medium or Best.
It does not collect, store, or transmit information beyond the computer that you are using to access the Password Checker.
Microsoft Password Checker
Alternatively you can also check the Password Meter tool which serves the same purpose. Enjoy!