No subscription. No forced signup.

Free Password Strength Checker

See how strong a password is and how to improve it.

Very weak
  • ○At least 12 characters
  • ○Lowercase letter
  • ○Uppercase letter
  • ○Number
  • ○Symbol

Everything is checked inside your browser — nothing is sent anywhere.

About the Password Strength Checker

Password Strength Checker is a free online tool from Tool Marry. See how strong a password is and how to improve it. There is nothing to install and no account to create — open the page, set your options and get your result straight away. It works the same on desktop, tablet and mobile, and it sits alongside the rest of our utilities tools so you can move from one job to the next without switching apps.

How to use the Password Strength Checker

  1. 1Open Password Strength Checker and set your options.
  2. 2Adjust the available options to match what you need.
  3. 3Run the tool and review the result.
  4. 4Copy or download your output — that's it.

Frequently asked questions

Is the Password Strength Checker free to use?

Yes. It is completely free with no signup, no email gate and no usage limit for normal personal or business use.

Do I need to create an account?

No account is required. Open the tool and use it immediately — everything is completely free.

Is my data safe?

We keep processing as close to your browser as possible and never sell or share what you enter. Nothing you type is used for advertising.

Can I use Password Strength Checker on my phone?

Yes. The whole site is responsive, so the tool works in any modern mobile or desktop browser.

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