JWT auth without the confusion JWTs are everywhere, but they're often misunderstood. Let's...
JWT auth without the confusion
JWTs are everywhere, but they're often misunderstood. Let's strip away the jargon and see what they actually are, how they work, and how to use them safely in your apps.
What is a JWT?
A JWT (JSON Web Token) is just a string with three parts separated by dots:
header.payload.signature
What JWT Actually Is JWT (JSON Web Token) is a compact, URL-safe way to transmit claims...
If you've ever worked with auth, you've seen a JWT — a long string like eyJhbGci... split into three...
If you've worked with any modern authentication system — OAuth, Firebase Auth, Auth0, a custom login...
Learn how to decode JWT tokens client-side. Understand header, payload, signature, and how to inspect tokens safely without…
You've seen them — long strings of three dot-separated chunks pasted into Slack, debug logs, and API...
Every API request needs to answer: who is this, and are they allowed? Session auth answers it by...
