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Check password strength and security. Get detailed analysis, security tips, and generate strong passwords. Improve your online security.
All password analysis happens locally in your browser. Your passwords are never sent to our servers or stored anywhere.
Instant password strength analysis as you type.
Generate cryptographically secure passwords.
All analysis happens locally in your browser.
Get specific suggestions to improve security.
Password strength is calculated based on length, character variety (uppercase, lowercase, numbers, symbols), uniqueness, and absence of common patterns. Longer passwords with more character types score higher.
Yes, absolutely! All password analysis happens locally in your browser using JavaScript. Your password is never sent to our servers or stored anywhere. We prioritize your privacy and security.
A strong password has at least 12 characters, uses a mix of uppercase and lowercase letters, numbers, and special characters, avoids common words or patterns, and is unique to each account.
Yes, our password generator creates cryptographically secure passwords that are much stronger than human-created ones. However, make sure to store them securely in a password manager.
Change passwords immediately if there's a security breach, if you suspect compromise, or if you've shared them. For strong, unique passwords, regular changing isn't necessary unless required by your organization.