Hi HN, We have created a cross-platform interactive JWT Debugger App with JWT token validation support using JWKS Endpoint and PEM/Secret Keys. Use the web version as a progressive web app or install desktop apps for Mac, Window, and Linux.

Love to hear your feedback. App itself is open-source and if you find any issues or like to add a feature just open a Github request (https://github.com/axioms-io/axioms-jwt-debugger). We will love to help.

The app is built on top Quasar Framework which is why it is cross-platform. It took about a day to pull this off. So current codebase is probably not completely clean yet but the app itself is fully functional.