Developer tool

Password Strength Checker

Estimate how guessable a password is in your browser without sending the secret to Matrix.

Free browser tool

No Matrix computer needed

✓ No account or card

✓ Use the result right away

✓ Task-specific limits below

Workspace

Use password strength checker

Runs in this browser tab

Password to assess

The estimate runs in your browser. The password is not uploaded, logged, or included in the result.

Strength estimate

Enter a password to see a pattern-based estimate.

How to use it

Enter a password to see an estimated score and suggestions for making it stronger.

What to check

The score is an estimate, not a security guarantee; use unique passwords and multi-factor authentication.

Review the result before using it in a published page, application, or agent configuration.

Quick answers

Frequently asked questions

Does the password checker send my password to Matrix?

The estimate runs in your browser. Matrix does not need the entered password to show feedback for this tool.

Is a strong password score a security guarantee?

No. It is an estimate of guessability and can miss exposure or reuse. Use a unique password and multi-factor authentication.

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