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Auth Developer
Mini-Toolkit

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

Developer Auth Mini-Toolkit by Authgear - 5 minitools for auth builders | Product Hunt
GitHub Repo stars
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
Password Hash Generator and Verifier

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

Open Password Hash Generator and Verifier
Base64 Decode and Encode

Easily encode or decode Base64 strings directly.

Open Base64 Decode/Encode
UUID v7 Generator & Timestamp Extractor

Generate and inspect UUID v7 values directly in your browser.

Open UUID v7 Generator
SSL Checker

Ceck any domain's SSL/TLS certificate. View expiration date, issuer, subject alternative names, and full certificate chain status

Open SSL Checker
OIDC Discovery Endpoint Explorer

Fetch and inspect any OIDC provider's .well-known/openid-configuration. View    
 authorization endpoints, token endpoints, JWKS, scopes, and signing algorithms.

Open SSL Checker
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
Password Hashing & Salting - Function and Algorithm Explained
Read Article
Password Hashing: How to Pick the Right Hashing Function
Read Article
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