Auth Developer
Mini-Toolkit

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

Check 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 OIDC Discovery Explorer

Passkey Demo & WebAuthn Tester

Create a real passkey, inspect the WebAuthn credential, and verify a sign-in in your browser.

Open Passkey Demo

SMS Cost Calculator

Estimate your SMS OTP costs by country and provider, and see how much WhatsApp OTP with SMS fallback would save you.

Open SMS Cost Calculator