What does this tool support?

Sample password and generation settings. No breach checking or measured cracking time. Common/repeated patterns cap the score. Generated samples obey every selected filtered character type.

Where is my input processed?

Tool calculations and conversions run locally in your browser. Existing analytics and advertising requests are separate from input processing.

Password Strength Checker

Review a password heuristic or generate a random sample.

Help & examples All tools

Password Generator

Password Strength Checker

Enter a password to analyze

Enter a sample password to inspect its patterns

Developer Tools Local processing

Last reviewed: 2026-10-04 · Testing methodology

How to use

Review a password heuristic or generate a random sample.

Enter your input

Sample password and generation settings. Use Try example where available to see the expected shape.

Choose options and run

Select the relevant mode or settings. Automatic tools update as you type; other tools use the labeled primary action.

Review the result

Check the result against your input, then use the available copy or download action. Edits clear or recompute the result.

Limits and questions

Inputs are processed in your browser. Analytics and advertising can make separate network requests.

A result you can check

Password1! repeated seven times is classified Very Weak despite its length and mixed characters.

Before using the result

The pattern list is limited. Do not interpret an unflagged value as safe for any particular account.

Frequently asked questions

What does this tool support?: Sample password and generation settings. No breach checking or measured cracking time. Common/repeated patterns cap the score. Generated samples obey every selected filtered character type.
Where is my input processed?: Tool calculations and conversions run locally in your browser. Existing analytics and advertising requests are separate from input processing.