Generators
Password Strength Checker
Check how strong your password is. Analyzes length, character variety, common patterns, and estimates crack time.
Your password is analyzed locally and never sent anywhere.
How to use Password Strength Checker
1
Type or paste your password
Enter your password in the input field. Use the eye icon to toggle visibility.
2
See strength score and entropy
Instantly see your password's strength rating, entropy in bits, and estimated crack time.
3
Review improvement suggestions
Check the strength checklist to see which criteria your password meets and where it can be improved.
Frequently Asked Questions
Is my password sent anywhere?
No. Analysis happens entirely in your browser — your password is never transmitted.
How is crack time calculated?
Based on password entropy and an estimated 10 billion guesses per second (modern GPU attack rate).