PEM → JWK Conversion
Paste PEM key and convert to JWK (JSON). Supports SPKI public key (BEGIN PUBLIC KEY) and PKCS#8 private key (BEGIN PRIVATE KEY), RSA and EC. By default outputs only public key parameters with RFC 7638 Thumbprint as kid; optionally export private key fields too. Pure browser conversion, never uploaded.
Related Tools
Reverse (JWK → PEM) see JWK / JWKS → PEM; inspect any PEM use PEM Parser; generate new key pair use JWK Generator.