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Password Strength Analyzer

Generate and manage cryptographic keys and tokens
Quickly generate password:
Enter Password
Strength Score
0%
Strength
Crack Time Estimation
Duration to crack this password with brute force
Instantly
Calculation Base
1 billion attempts/second brute force
Analysis Details
Entropy0.00 bits
Character set size0
Password length0
Score0.0%
📖 Usage Guide
1
Enter Password
Enter the password you want to analyze
2
View Analysis
Review strength score and crack time estimation
3
Check Details
Examine entropy, length, and character set details
✨ Features
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Calculate password entropy and strength based on character set complexityAnalyze password strength using entropy calculations and character set analysis
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Estimate crack time using brute force attack simulationProvide realistic crack time estimates based on computational power assumptions
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Display detailed metrics including length, entropy, and character set sizeShow comprehensive password analysis metrics and statistics
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Human-friendly time format display (seconds to millennia)Convert crack time estimates into human-readable time formats
🔬Technical Introduction
What is Password Strength?Password strength is a measure of how effectively a password resists guessing and brute-force attacks. It depends on length, complexity, and unpredictability of the password.
Security Best PracticesBest practices for creating and managing strong passwords

Important Notes

All password analysis is performed locally in your browserCrack time estimates are based on brute force attacks onlyReal-world attacks may use dictionary attacks or social engineering