Password Strength Checker
Test the strength of your password against cracking attempts. Secure and client-side.
Ready to Test
Enter a password to analyze its strength, entropy, and estimated time to crack.
Frequently Asked Questions
Is it safe to type my real password here?
Yes, this tool runs 100% in your browser. Your password is never sent to our servers. However, as a general security best practice, we recommend not typing your actual banking or email passwords into any online tool. Use this to test potential new passwords or understand password policies.
How is "Time to Crack" calculated?
It's an estimation based on the "Information Entropy" of your password, assuming an attacker uses a powerful cracking rig capable of making billions of guesses per second.