From PEM to JSON: Mastering JWKS for Modern Application Security

JWKS (JSON Web Key Set) has become the standard for secure key distribution, replacing cumbersome PEM/XML approaches with lightweight JSON format. Developers use JWKS constantly when validating authentication tokens from Google, GitHub, and identity providers, often without realizing it. This evolution from SAML/XML to OIDC/JSON reflects the industry's shift toward simpler, more interoperable security standards that make authentication implementation more accessible to developers.