Free browser tool
Password Strength Checker
Estimate password strength locally using length, variety, and pattern checks.
Updated 2026-05-09
Enter a password
This checker gives a local estimate only. It does not guarantee security.
How to use this tool
- Paste or type your input into the tool.
- Choose the action or option that matches your task.
- Review the output before copying it into another app.
Notes
Get a local strength estimate and practical improvement hints without sending the password anywhere.
Inputs are processed in the browser for this static MVP. Avoid pasting secrets into any online tool unless you understand the environment.
FAQ
Does this guarantee a password is safe?
No. It is a local estimate, not a guarantee. Use a reputable password manager for real password hygiene.
Is my password uploaded?
No. The checker runs in your browser and does not need a backend service.
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