There are very few really engaging password strength testing tools, and this is one of them. It does tell you the strength but also something beyond that. For instance, a regular word like “enter” is among the 500 most common passwords used. My own email password would take a desktop PC 2 billion years to crack. Though this feedback may not always correct, you are welcome to take a shot. There are various other sites that let you check your password's strength. The list is as follows.