Three browser-based security tools: a JWT decoder, a password strength checker, and a passphrase generator. Nothing you type is sent to our server or stored anywhere.

Free Security Tools

Free, browser-based security tools. Nothing you type is sent to our server or stored anywhere.

JWT Decoder

Read the header, payload, and expiry of any token.

Password Strength Checker

See how long your password would take to crack.

Passphrase Generator

Create long, memorable passphrases instantly.

Security Headers Checker

Scan any site for 6 critical HTTP security headers.

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