Password Strength Checker
How strong is your password? Instant score, crack-time estimate and tips — 100% private.
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🔒 Private by design: your password never leaves this page — the check runs 100% in your browser.
Free password strength checker
Wondering how strong your password is? Type it above and get an instant strength score, an estimated time to crack, and concrete tips to make it stronger. The check runs entirely in your browser — your password is never uploaded, stored or logged anywhere.
What makes a password strong
- Length beats complexity: every extra character multiplies cracking time. Aim for 14+ characters.
- Mix character types: uppercase, lowercase, numbers and symbols.
- Avoid patterns: dictionary words, names, dates and keyboard walks like "qwerty" or "123456".