Free
Open-source

Auth Developer
Mini-Toolkit

In-browser JWT/JWE, JWK/JWKS, HMAC, SAML, and TOTP tools for developers. Perfect for authentication development and testing.

JWT & JWE Debugger

Decode & verify JWTs; encrypt/decrypt JWEs.

Open JWT & JWE Debugger
JWK Generator

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

Open JWK Generator
HMAC Tool

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

Open HMAC Tool
SAML Testing Tool

Spin up a mock SAML SP to test SAML assertions.

Open SAML Testing Tool
TOTP Authenticator

Quickly test OTP codes (RFC 6238).

Open TOTP Authenticator
More Coming Soon

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

Comming Soon

Learn More

Want the "why" behind the tools? Start here.

JWE vs JWT: Key Differences, Use Cases, and Security Tips
Read Article
What is JWKS?: JSON Web Key Set Explained with Examples
Read Article
What is TOTP (RFC 6238 explained)
Read Article
5 Common TOTP Mistakes Developers Make
Read Article
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