Password Strength Checker

Check how strong your password is with instant feedback and improvement tips. Free online.

Enter password to check:

—Strength

—Est. crack time

0Length

Type a password above to check its strength.

Checked locally in your browser — your password is never sent anywhere.

How to use

Type a password to see its strength score, estimated crack time, and tips to improve it.

Is my password uploaded?

No. Checking happens entirely in your browser — nothing is sent anywhere.

What makes a password strong?

Length (12+ characters), mixed character types, and unpredictability.

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Every tool runs 100% in your browser — no uploads, no signups. If a tool saved you time, consider supporting us with a small donation.