CipherGuard

Strong passwords, generated and checked in your browser

Generate strong passwords, passphrases, and PINs with WebCrypto; check strength and whether a password has been leaked in a breach — and none of it ever leaves your device. Runs in your browser — your passwords are never transmitted.

100% in-browser · your passwords are never transmitted
✓ WebCrypto randomness✓ No signup✓ Works offline✓ Never transmitted

Generate

Create strong passwords, passphrases, PINs, and pronounceable secrets with WebCrypto.

Check

Score a password's strength and check it against known data breaches — nothing leaves your device.

Policy

Validate a password against configurable NIST-style rules and a common-password blocklist.