Password Strength Checker
Test how strong your password really is.
About this tool
Test how strong a password is. We estimate crack time and check for length, variety and common weaknesses — all locally.
Key Features
- Live strength scoring
- Estimated crack time
- Character-variety checks
- 100% private
How to Use
- Type a password.
- Watch the strength update live.
- Follow the tips to improve it.
Benefits
- Audit your passwords
- Learn what makes a password strong
- Avoid weak choices
Frequently Asked Questions
Never. All analysis happens in your browser and nothing is stored or transmitted.