It will tell you password strength
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What is a password generator and why is it useful?

A password generator is a software tool that creates random or customized passwords for users. It helps users create stronger passwords that provide greater security for a given type of access.
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It is also useful to protect against cyber hackers.
Password generators help those who have to constantly come up with new passwords to ensure authorized access for programs and to manage a large number of passwords for identity and access management.