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Security
TOTP QR (otpauth://) Generator
Generate a scannable QR Code of `otpauth://totp/...` (issuer, label, secret, digits, period, algorithm) to import into Google/Authy/Bitwarden.
Related Tools
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Password Generator
Generate strong, random passwords with custom length, uppercase letters, numbers and symbols. Generated in the browser β 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 β 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 β no data is sent.