Private by design
Check your password strength.
Get a rough password-strength estimate and generate a new random password. No password leaves this browser.
What do I enter?
A password to test. Prefer testing a new password instead of the one protecting an important account.
What will I learn?
A rough strength estimate and a random password you can copy. We do not search data breaches.
How to use it: Type a sample password to see an estimate, or use the generator to create a new one.
New to these terms? See quick explanations
- Strength estimate
- An approximate guide, not a guarantee of security.
- Password generator
- Uses your browser’s secure random generator to create a new password.
- Data breach
- This version does not check whether passwords have appeared in leaked databases.
Password check◉ Offline · no APIs
The strength rating is only an estimate and cannot tell whether a password has been leaked. Prefer long, unique passwords and a password manager. Avoid entering your real account password on websites you do not trust.
Generator◉ Uses your browser’s secure random generator