What is Password Strength Checker?
Uses the zxcvbn algorithm to find common patterns like dictionary words, keyboard patterns (qwerty), repeats and dates, and calculates a password's real strength and estimated crack time. The password you enter is never stored or sent.
How to use
- 1
Enter the password to check.
- 2
Look at the strength score, crack times and weaknesses found.
- 3
Follow the suggestions to switch to a stronger password.
Use cases
Checking your accounts
See whether the password you use now is strong enough.
Explaining password policy
Show why long passphrases are strong.
FAQ
Is the information I enter saved?+
No. All calculations happen in your browser and nothing is stored or sent anywhere.