Free Password Strength Meter
Test your password’s real strength
Powered by zxcvbn. Estimates crack time. Never sent anywhere.
Frequently asked questions
Is my password sent anywhere?
Never. zxcvbn runs in your browser.
How does it rate?
It checks dictionaries, patterns, and entropy. More realistic than character-count rules.
Need a strong password?
Use our Password Generator (16+ chars, mixed).