Password Strength Tester

Check password strength with length, variety, entropy, and common-pattern detection.

Password:
Context (optional):

Suggested Tools

About the Password Strength Tester

The Password Strength Tester helps you evaluate the security of any password by checking its length, variety of characters, and resistance against common attacks. It runs entirely in your browser, so your data never leaves your device.

What does it check?

How to use the tool

  1. Enter your password into the input field.
  2. See instant feedback on strength and recommendations.
  3. Adjust your password until it reaches a secure rating.

Example: The password mypassword will show as weak, while MyP@ssw0rd2025! will be rated as strong.