Password Strength Checker
Type a password to see how strong it really is. It is analysed inside your browser and never uploaded.
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Crack-time estimate
Type a password above.
This is a heuristic estimate, not a guarantee. Assumes an offline attacker with a fast GPU rig (10 billion guesses/second) against a fast, unsalted hash. Real sites with slow hashing (bcrypt/argon2) are much harder.
Has it been leaked?
Optional check against the free Have I Been Pwned database. Only the first 5 characters of the SHA-1 hash are sent (k-anonymity), never your password.
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