Strength checker
Weak · 25%
Practical estimate based on length, character variety, and common patterns—not a full security audit.
Password Strength Checker
Estimate password strength without sending the password anywhere. Results are guidance, not a complete security audit.
How to use
- Enter or paste a password locally.
- Review the score, feedback, and estimated characteristics.
- Clear the input when finished.
Common use cases
- Reviewing new passwords
- Learning about password composition
- Checking local test credentials
Frequently asked questions
Is this a full security audit?
No. The checker provides an estimate and cannot know whether a password has appeared in a breach or is reused elsewhere.
Is my password uploaded?
No. Strength estimation runs locally in your browser.