Free diagnostic · No account needed

Is your password
actually healthy?

Most people don't know their passwords are already compromised.
Run a full diagnosis — breach history, crack resistance, strength score — in under 10 seconds.

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🔒 Your password never leaves your browser. Breach check uses k-anonymity (only a hash prefix is sent).

01
Password Anatomy
Character composition & entropy analysis
a–z
Lowercase
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A–Z
Uppercase
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0–9
Numbers
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!@#
Symbols
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Entropy: — bits
Higher is better — 60+ bits is considered strong
0 characters
length
02
Crack Resistance
How long before an attacker gets in?
Dictionary Attack
Common words & leaked password lists
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Brute Force
10 billion guesses/sec — modern GPU
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AI-Assisted
Trained on 10B+ leaked passwords
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03
Breach History
Checked against 14 billion+ compromised passwords
⏳
Waiting for password…
Enter a password above to check it against known data breaches.
How this stays private: Your password is hashed with SHA-1. Only the first 5 characters of that hash are sent to the HaveIBeenPwned API (k-anonymity). Your actual password never leaves your device.
04
Health Score
Your overall password security rating
0
/100
Run your diagnosis
Enter a password above to generate your full health report.
Length
0
Complexity
0
Crack resist.
0
Breach status
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💊 Your Prescription
  • → Enter a password above to get your personalized recommendations.
The Cure
Generate a Healthy Password
Memorable passphrases — stronger than any random string you'll forget
Word count
Separator
Extras
Click "Generate" to create a secure passphrase