Password Strength Testing Tool

Think you have a strong password? Find out below.

Evaluate your password:
Your password strength:
very weak
Estimated time to crack:
less than a second

Password FAQ

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

We use a tool called zxcvbn. Learn more

The safest way to manage your passwords is through a secure password manager, like Bitwarden. Learn more.

Bitwarden is the safest way to manage passwords.

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Passwords strength best practices

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.

❌ DON’T use the same password for every account.

✅ DO use passwords unique to every account.

Make it random

Ensure your passwords do not follow a recognizable pattern and have a combination of uppercase and lowercase letters, numbers, special characters, or words unrelated to your personal information.

❌ DON’T use passwords with anything related to your personal information.

✅ DO use passwords with random combinations of uppercase and lowercase letters, numbers, special characters, and words unrelated to your personal information.

Make it long

Using long passwords is critical to password strength. An 8-character password will take anywhere from a few minutes to a couple of hours to crack, while a 16-character password will take a hacker a billion years to crack.

❌ DON’T use passwords with fewer than 14 characters.

✅ DO use long passwords consisting of 14 characters or more.

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Use a secure password manager

A strong password manager makes it easy to generate, store, and securely share unique passwords. Millions of users trust Bitwarden to manage login credentials across unlimited devices and platforms.

Getting started with Bitwarden

  1. Choose the plan that best fits your personal or business needs.

  2. Create a new account and store your master password in a safe place.

  3. View download options to access your Bitwarden vault across all preferred browsers and devices.

Why does password strength matter?

Using the same password repeatedly across multiple sites might be convenient, but it also introduces a huge security risk. Your email account, Facebook, Twitter, bank account, and even your local grocery store could be compromised if someone discovered your password. 

Choosing a unique and complex password for every online account helps ensure that your private information stays safe and secure. Use the Password Strength Test Chart below to guide your next password creation decisions. Bitwarden uses the zxcvbn tool for reliable password strength calculations.

Password Strength Test Chart - Save the Password Strength Test Chart to guide your next password decisions. Bitwarden uses the zxcvbn tool for reliable password strength calculations.

What is a password strength tester?

A password strength tester gauges how long it might hypothetically take to crack your password by testing the password against a set of known criteria–such as length, randomness, and complexity.

Using a strength tester is an easy step to securing your online profile. In seconds, they help you determine whether or not your passwords are strong enough to protect your online subscriptions, such as your bank account.

How do password strength testers work?

Specifically, a strength tester measures how long it would take someone else (or, more commonly, an automated computer program) to brute force an attack using every possible letter, number, and special character combination until they crack it. A password strength tester instantly provides this information and empowers you to choose the strongest possible password to keep your account information safe.

Strong and unique passwords can be automatically generated for free using the Bitwarden Password Generator. With this free tool, you can customize the password generator settings, including the number of characters and the use of capitalization, symbols, and special characters. Once you customize your settings, you can evaluate your password strength score and the estimated time for hackers to crack it.

Managing your passwords is easy and secure with Bitwarden.


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