Password Strength Checker
Check a password's strength and estimated crack time, with tips to improve it. Everything runs locally — your password is never sent anywhere. Free and private.
Strength—
Entropy
—
Crack time
—
Improvements
- At least 12 characters
- Contains lowercase letters
- Contains uppercase letters
- Contains numbers
- Contains symbols
All analysis runs locally in your browser. Your password is never transmitted or stored.
Frequently asked questions
Is my password sent anywhere?+
No — the analysis happens entirely in your browser.