Password Strength Checker

Type a password to see how long it would actually survive. Everything happens in your browser — nothing is sent anywhere. (Don’t believe us? Open your browser’s developer tools and watch the Network tab: silence.)

Type something to begin.
Estimated crack time—
Entropy—

    Need a better one?

    Four random words beats one clever password — easier to remember, harder to crack. Generate one with our Passphrase Generator.

    A strong password is only half the job — the other half is never reusing it. That’s what password managers are for. (We wrote a whole guide on them.)