SimplytheBest Password Strength Scripts

The simply the best collection of password strength scripts

A plugin for Twitter Bootstrap that provides rulesets for visually displaying the quality of a user's typed in password.

zxcvbn By: Dropbox
Free Dropbox

A JavaScript password strength estimation library. Use it to implement a custom strength bar on a signup form. It attempts to give sound password advice through pattern matching and conservative entropy calculations.

This plugin shows the strength of you passwords by telling you how long time it would take to brute force them.

Bootstrap Strength Meter By: David Stutz
Free BSD-3 Clause

Bootstrap Strength Meter uses Password Score to give a realistic estimate of the strength of a password.