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Best free password strength tester

Best free password strength tester

Test your password strength with Best Reviews' password strength tester. Get instant feedback on how secure your password is and receive an estimated time it would take for hackers to crack it. Your password is processed locally and never sent to our servers.

Password security tips

  • Use unique passwords for each account
  • Make passwords at least 14 characters long
  • Include a mix of uppercase, lowercase, numbers, and symbols
  • Avoid personal information like names or dates
  • Consider using a password manager

Password Strength Testing Tool

Think you have a strong password? Find out below.

Your password strength:
Estimated time to crack:

FAQ

Is it safe to type my real password here?

Yes. Your password is never transmitted to our servers and is processed locally in your device's web browser.

How do you calculate password strength?

We use the industry-standard zxcvbn library, which provides realistic password strength estimation.

Make it unique

Use passwords unique to different online accounts. This reduces the likelihood that one compromised password would impact the security of your other accounts.

Make it random

Ensure your passwords do not follow a recognizable pattern and have a combination of uppercase and lowercase letters, numbers, special characters.

Make it long

Using long passwords is critical to password strength. Use passwords consisting of 14 characters or more for optimal security.

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