🛡 Password Strength
Checker
Instant analysis · Crack time estimate · Never stored
🛡
Type a password above to see its strength analysis
🔒 Your password is never sent anywhere. Analysis runs entirely in your browser.
Is your password strong enough to protect your accounts? Our password strength checker analyzes your password instantly — right in your browser, never sent to any server. You'll see a strength score out of 100, an estimated crack time based on modern GPU speeds (10 billion guesses per second), entropy in bits, and specific recommendations to improve your password.
How It Works
1
Type your password
Enter any password in the input field. The analysis happens instantly as you type. Click the eye icon to show/hide the password.
2
Read your strength score
The score from 0-100 and label (Very Weak to Very Strong) tell you at a glance how your password performs.
3
Check the detailed analysis
See your entropy in bits (higher = more secure), estimated crack time, and which specific security criteria you've met or missed.
4
Improve your password
Failed checks (red ✗) tell you exactly what to add. Adding length, symbols, or mixed case dramatically improves strength.