Password Generator & Strength Checker

Cryptographically secure passwords and passphrases, generated locally with crypto.getRandomValues. Nothing ever leaves your browser.

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Length 20

Lowercase a–z Uppercase A–Z Digits 0–9 Symbols !@#$%… Exclude ambiguous O0Il1| No repeated characters

Test your own password

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Analysis runs 100% locally in this page. Nothing you type is stored, logged, or sent anywhere — this app works fully offline.