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Security
Content-Security-Policy Explainer
Parse a CSP header and explain each directive (default-src, script-src, frame-ancestors, etc.) with warnings for unsafe values.
Related Tools
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Password Generator
Generate strong, random passwords with custom length, uppercase letters, numbers and symbols. Generated in the browser — no data leaves your device.
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Encrypt Text
Apply classic ciphers (Caesar, ROT13, Atbash) or Base64. Useful for puzzles, CTFs and testing — do not use for real security.
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Password Strength Checker
Check the strength of a password with entropy calculation, common-password check and improvement tips. Runs in your browser — no data is sent.