OneFirewall Alliance

Password Entropy Checker

Analyse password strength, estimate crack time, and generate cryptographically secure passwords

Entropy Checker
Passwords are never sent anywhere — all analysis runs locally in your browser.
Crack Time Estimates
Attack ScenarioSpeedEstimated Time
Password Generator
Length
20
Uppercase (A–Z)
Lowercase (a–z)
Numbers (0–9)
Symbols (!@#$…)
Exclude ambiguous chars
0, O, l, 1, I
Passphrase Generator
Words
5
Separator
Capitalise words
Add number suffix

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