Password Strength Checker
Check how secure your password is with real-time strength analysis, crack-time estimates, and improvement suggestions. Your password never leaves your browser.
Enter a password above to see its strength analysis.
How to Use the Password Strength Checker
- Type or paste a password into the input field.
- View the strength meter, score, and crack time estimate.
- Review the security checklist for areas to improve.
- Follow the suggestions to make your password stronger.
Privacy First
Your password is analyzed entirely in your browser. It is never sent to any server, stored, or logged. This tool uses 100% client-side JavaScript processing.
Features
- Real-time strength meter (very weak to very strong)
- Time-to-crack estimate at 10 billion guesses/second
- Common password and pattern detection
- Detailed security checklist
- Actionable improvement suggestions
- 100% client-side processing for full privacy
- No data stored, no sign-up required
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Disclaimer: This tool is provided as-is for informational and educational purposes only.