Password Strength Checker
Evaluate password entropy in bits, character pool diversity, pattern weaknesses, and offline crack-time estimates.
Evaluated 100% locally in your browser. Never paste active production credentials into untrusted devices.
How to Use Password Strength Checker
- Enter a candidate password to evaluate its Shannon & pool entropy bits locally.
- Review estimated offline brute-force crack times (10B guesses/sec) and actionable hardening suggestions.
Keyboard Shortcuts & Sandbox Guarantee
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