Password · passphrase
Password Analyzer
Type or paste a password or passphrase below. Every check — entropy, patterns, crack time — runs in your browser as you type.
0 characters
Password heatmap
Every character is scanned locally and grouped into segments. Hover a segment to see why it was flagged.
Your password heatmap will appear here as you type…
Personal info / dates
Predictable patterns
Dictionary word
Unpredictable
Security score
Composite of length, entropy, character variety and pattern penalties.
0
Very Weak
Entropy
Estimated randomness, based on character pool size and length.
0.0 bits
Very Predictable
Security checks
11 local checks run against your input.
Estimated crack time
How long different attackers would need, on average.
Suggestions
Breach detection
Uses the Have I Been Pwned k-Anonymity API. Only a 5-character hash prefix is ever sent — never your password.
Click "Check breach status" above to look this password up.