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Security Tools
Passwords, passphrases, and headers.
Free online security tools to generate strong passwords and passphrases, check password strength, and build Content Security Policy (CSP) headers. All randomness uses the Web Crypto API (cryptographically secure), and generated values never leave your browser — safer than most online generators that may log your data.
4 tools100% client-sideNo sign-up
Showing 4 of 4 security tools
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Password Generator
Generate strong passwords with Web Crypto and a strength meter.
passwordgeneratecrypto
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Secure Passphrase Generator
Generate cryptographically secure passphrases from a word list.
passphrasedicewaresecure
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Password Strength Checker
Estimate password entropy and crack time honestly.
passwordstrengthentropy
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CSP Generator
Build a Content-Security-Policy header with toggles per directive.
cspcontentsecurity