How to check the password for security?

How to give the user the opportunity to check your password for rigor and burglary?

Such a question has arisen lately more and more often, because I’ve dug up some solutions to the issue.


Password Strength Checker - GPL License

The script will tell you in detail, and clearly show what the strength of the password-resistant password is, and why your password is different (if it is not).

JQuery Password Strength Meter - MIT License

The simplest password checker for complexity. In most cases, it lacks a head. For jQuery.

Password Strength Meters - License Free

I think it can be limited to the fact that such a script uses Google.

Javascript Password Strength Meter - LGPL and MIT License

A good example of how to make beautiful interfaces. It looks solid and strong, but the script is as simple as two kopecks, and therefore, perhaps, it will not suit you.

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Cross post in my blog .