Decoding JWTs Safely

When debugging authentication, you often need to see what's inside a JWT.

Step 1: Copy your Token

Get the JWT from your application's local storage, cookies, or API response.

Step 2: Paste into Decoder

Navigate to the JWT Decoder and paste your token.

Step 3: Inspect Header and Payload

The tool will instantly decode the Base64 parts and show you the JSON objects for the Header and Payload.

Important Note

Our decoder runs entirely in your browser. Your token is never sent to our servers, ensuring your session data remains private.