A secure and tested json-web-token class-based utility library for generating keys, signing, verifying, and decoding JWT payloads for use with your high-security demanding projects.

Firebase Auth Token Validation library Via their REST API for Public Keys, Caches it and updates the keys in it the background.

This Node.js project demonstrates how to verify Auth0 JWT tokens. It includes middleware for validating tokens and handling authentication in a secure way, using Auth0's provided libraries and best practices for Node.js applications.