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JWT Decoder

Decode JSON Web Tokens (JWT) headers, payloads, and timestamps locally in your browser. Sensitive tokens are never transmitted to a server.

How to use this tool

  1. Paste JWT Token. Paste your encoded token (header.payload.signature) into the input box.
  2. Inspect Claims. View the decoded header algorithms and payload claims formatted in clean JSON.
  3. Check Token Expiration. Verify if the token is currently active or expired according to its expiration timestamp.

FAQ

Step-by-Step Guide Available

How to Format, Validate, and Prettify JSON Online

Read Guide

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