Password Strength Checker
Test your password strength and get personalized security recommendations.
out of 100
Characters
Uppercase
Lowercase
Numbers
Suggestions to improve:
Security warnings:
Related Tools
Real-time Analysis
Get instant feedback as you type with detailed security recommendations.
Common Password Detection
Warns you if your password matches one of the most commonly used passwords.
Crack Time Estimate
See how long it would take to crack your password with modern computing.
About the Password Strength Checker
The password strength checker estimates how hard a password is to guess, looking at its length, variety of characters, and common patterns such as dictionary words and keyboard runs.
How to use it
- 1 Type a password.
- 2 Read the strength score and estimated crack time.
- 3 Follow the suggestions to make it stronger.
Frequently asked questions
Is my password sent anywhere?
No. The check runs in your browser and nothing is sent to a server.
What makes a password strong?
Length and randomness. A random 16-character password, or a passphrase of four or more random words, is far stronger than a short password with symbols.
Why is "P@ssw0rd!" weak?
Swapping letters for look-alike symbols is a pattern that cracking tools try first, so it adds very little strength.