Password Strength Checker
Check password strength and security risks with score, entropy, crack time estimation and improvement tips
Password Input
Check Options
Password Strength Checker Guide
Overview
This tool analyzes password strength locally using length, character types, common patterns, and entropy to provide scores, risks, and improvement tips.
Key Features
- Real-time score and strength label
- Character mix, entropy, and crack time estimates
- Detects common passwords, keyboard patterns, and repeats
- Batch checks with visual results
How to Use
- Enter a password or use quick tests
- Toggle checks to review risks
- Follow tips to improve strength
- Use batch analysis for account lists
Scoring Rules
- Longer passwords score higher; 12+ is recommended
- Mix uppercase, lowercase, numbers, and symbols
- Common passwords, sequences, and repeats reduce scores
- Personal info patterns lower security
Security Tips
- Prefer passphrases with separators
- Use unique passwords per account
- Rotate passwords for sensitive systems
Privacy
All analysis runs locally; passwords are not uploaded or stored.