Free Tools · Cyber Security
Security tools
Free, private, in-browser tools from a 24-year UK cyber-security partner — generate and test passwords and passphrases, hash text and create UUIDs. Nothing you enter is ever sent, logged or stored.
Checker
Password Strength Checker →
Test how strong a password is and how long it would take to crack — with a live meter and crack-time estimate.
GeneratorBusiness Password Generator →
Generate up to 100 strong random passwords at once, with CSV export — built for IT admins and bulk resets.
GeneratorPassphrase Generator →
Strong, memorable "three random words" passphrases — choose word count, separators and capitalisation.
DeveloperHash Generator →
SHA-256, SHA-1, SHA-384 and SHA-512 hashes of any text, computed locally with the Web Crypto API.
DeveloperUUID Generator →
Random version-4 UUIDs in bulk (up to 100) — copy one or all. Crypto-secure, collision-safe.