JWT Decoder
Paste a JSON Web Token to instantly inspect its header, payload, and claims. Free, no account needed.
Paste a JWT token above to decode it
We will extract the header, payload, and all claims
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JWT Decoder: Inspect and Debug JSON Web Tokens Online
JWTs power modern authentication. Learn how to decode, inspect, and debug tokens without any tools.
What Is a JWT?
A JSON Web Token (JWT) is a compact, URL-safe token used to represent claims between two parties. JWTs are the backbone of modern authentication and authorization systems — they are issued by servers after login and sent with subsequent API requests to prove identity.
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