node-jose

A JavaScript implementation of the JSON Object Signing and Encryption (JOSE) for current web browsers and node.js-based servers

rsa-pem-to-jwk

Converts PEM encoded RSA public and private keys to the JWK (JSON Web Key) format.

cose-to-jwk

COSE (RFC 8152) to JWK (RFC 7517) converter for node.js. Created for WebAuthn.