PassLab

Advanced Password Security Analysis

Analyze your password's strength with our comprehensive security checker. Get detailed insights about entropy, crack time estimates, and vulnerability assessment. All computations are performed locally in your browser for maximum security.

Analyze Password

4+ Security Metrics
100% Private Analysis
Real Time Check

Password Strength Analyser

Password Score

0 out of 100

Very Strong

Analysis Details

Length 0 characters

Entropy 0 bits

Lowercase

Uppercase

Numbers

Symbols

Time to Crack

Instantly

Fast Hashing

350 billion/second

Examples: MD5, SHA1

⚡ GPU/ASIC optimized

Instantly

Moderate Hashing

50 million/second

Examples: SHA256, SHA512

💻 Standard CPU/GPU

Instantly

Slow Hashing

1,000/second

Examples: bcrypt, PBKDF2

🔒 Salt + Multiple Rounds

Instantly

Slower Hashing

1/second

Examples: Argon2, scrypt

🛡️ Memory-Hard Functions

ℹ️

Hash speeds are approximate and based on modern hardware. Fast hashing uses specialized GPU/ASIC hardware, while slower algorithms are deliberately designed to be computationally intensive and memory-hard to resist hardware-based attacks.

Comprehensive Password Analysis Features

Entropy Analysis

Calculate password randomness and complexity score.

Crack Time Estimation

See how long it would take to break your password.

Character Analysis

Check password composition and diversity

Strength Scoring

Get detailed password strength assessment