JWT Decoder
How JWT Decoding Works
JWT tokens are decoded by splitting and Base64-decoding each part.
- 1
Split the token
The JWT is split into three parts separated by dots: header, payload, and signature.
- 2
Base64 decode each part
The header and payload are Base64URL-decoded to reveal their JSON content.
- 3
Display the decoded data
The decoded header and payload are formatted and displayed.
FAQ
What is a JWT?
A JSON Web Token (JWT) is an open standard for securely transmitting information between parties as a JSON object. It consists of three parts: header, payload, and signature.
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