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Kordu Tools
Category 4 tools

Security & Privacy

Password generation and breach-checking tools

All Security & Privacy

Password Generator

New

Generate cryptographically secure passwords with custom length (8–128), character sets, entropy display, and exclude-ambiguous option. Runs in your browser.

Password Breach Checker

New

Check if a password appeared in known data breaches using k-anonymity. Only the first 5 SHA-1 hash characters are sent — your password never leaves your browser.

Privacy

Password Strength Meter

New

Test how strong your password is — entropy, crack time estimate, and a detailed requirements checklist.

TOTP Code Generator

New

Generate live TOTP (2FA) codes from any base32 secret key. Supports 6 and 8 digit codes with 30 or 60 second periods.

About Security & Privacy

Strengthen your security posture with free online privacy tools. Generate strong, random passwords and passphrases with customisable length, character sets, and entropy feedback. Check whether your existing passwords have appeared in known data breaches using k-anonymity, so your actual password is never sent over the network. All tools run client-side in your browser, ensuring your sensitive data never touches a server.