Passwords are a part of every day life and are used to guard information that is important. Given the value of the information we hide behind passwords, it's important to make sure our passwords are up to a standard so that malicious actors can't determine them. This tool calculates how complex any given password is and gives you an idea of how long it would take to break.
If your passwords are completely random, one of the only remaining vulnerabitilities is brute force attacks. To prevent this, use complex passwords. Lets see how secure you are with your selected password rules.