Security Tools

JWT Decoder

Decode and inspect JWT tokens — header, payload, claims, and expiry status

JWT Generator

Sign JWT tokens in the browser — HS256/384/512, RS256/384/512, PS256/384/512, ES256/384/512

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes

HMAC Generator

Generate and verify HMAC signatures for webhook verification

Secret Key Generator

Generate secure random secrets for SESSION_SECRET, JWT_SECRET, AUTH_SECRET, HMAC, API tokens, and webhooks

Bcrypt Playground

Hash passwords with bcrypt and verify hashes — adjust cost factor in the browser

Certificate Inspector

Parse and inspect X.509 certificates — view subject, issuer, expiry, SANs, fingerprint

Password Generator

Generate cryptographically secure passwords with entropy calculation