Password Strength Checker
Score password strength from length, character variety, patterns, and common-word checks with tips to build phishing-resistant logins privately offline.
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About the author
Written and maintained by the Tool4SaaS team. Every tool runs locally in your browser and is tested in-house for accuracy. Last updated: .
Frequently asked questions
No. Everything is evaluated in your browser.
Length plus a mix of lowercase, uppercase, numbers and symbols.
Yes, the strength check runs entirely offline in your browser and never contacts a server.
How to use Password Strength Checker
- Type a password: Enter it to see the score.
- Review checklist: See which rules pass.
- Improve: Add length and mix character types to increase the score.