Do these tools send data to a server?

No. Operations run locally in your browser; keys and tokens are not uploaded.

Are the tools open-source?

Yes. Each tool links to its source repository so you can audit the code.

Yes, they're free and require no sign-up.

JWT & JWE Debugger

Decode & verify JWTs; encrypt/decrypt JWEs.

JWK Generator

Convert PEM <> JWK, JWK <> PEM, export JWKS for jwks_uri

HMAC Tool

Generate & verify HMAC SHA-256/384/512 for webhooks.

SAML Testing Tool

Spin up a mock SAML SP to test SAML assertions.

TOTP Authenticator

Quickly test OTP codes (RFC 6238).

Password Hash Generator and Verifier

Client-side tool to generate/verify password hashes with parameters (Argon2id, bcrypt, scrypt, PBKDF2)

More Coming Soon

We're constantly adding new authentication tools. Stay tuned for more developer resources.

Comming Soon