OIDC Discovery Validator
Validate discovery metadata, issuer consistency, endpoints, signing algorithms and JWKS references.
Built for engineers who troubleshoot real infrastructure
Fast, privacy-first utilities for SAML, OIDC, JWT, certificates, CIDR, DNS and everyday infrastructure problems.
Start here
A focused set of utilities first, then expansion based on engineer usage and search demand.
Inspect IdP/SP metadata, endpoints, bindings, certificates, signing requirements and common configuration problems.
Validate discovery metadata, issuer consistency, endpoints, signing algorithms and JWKS references.
Inspect signing keys, key IDs, algorithms, certificates and rotation-related issues in a JWKS document.
Generate RFC-compliant code verifiers and S256 code challenges for OAuth authorization code flows.
Decode PEM/X.509 certificates, inspect SANs, issuer, subject, fingerprints and expiration information.
Calculate IPv4 network ranges, masks, usable addresses, broadcast addresses and CIDR boundaries.
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One focused toolbox
SAML, OIDC, OAuth, JWT, JWKS, PKCE, SCIM and federation troubleshooting.
CIDR, subnets, IP ranges, DNS, ports and network troubleshooting utilities.
X.509 decoding, certificate expiry, CSR inspection, PEM parsing and chain analysis.
DNS security, email authentication and focused security engineering utilities.
Design principles