Password Strength Meter
Security & EncryptionCheck password security with detailed entropy analysis, strength scoring, crack-time estimates, and actionable improvement suggestions. Includes a secure password generator.
Password Generator
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Frequently Asked Questions
Is my password sent to a server?
Absolutely not. All analysis happens locally in your browser. Your password never leaves your device.
What factors determine password strength?
Length, character variety (uppercase, lowercase, numbers, symbols), patterns, common words, and entropy bits all factor into the strength score.
What is password entropy?
Entropy measures unpredictability in bits. The higher the entropy, the more combinations an attacker must try. 60+ bits is generally considered strong.