How to Decode JWT Tokens
JWT tokens contain encoded user data. Our decoder shows the header, payload, and signature in readable format.
Key Features: Decode header • Decode payload • View signature • Copy sections
JWT Structure
- Header: Algorithm and token type
- Payload: Claims and user data
- Signature: Verification data
Step-by-Step Guide
Step 1: Open the JWT Decoder
Go to Encryption & Encoding and select "JWT Decode".
Step 2: Paste Your Token
Enter the JWT token you want to decode.
Step 3: View Decoded Data
See the header, payload, and signature in readable JSON format.
Note: This tool decodes JWTs but doesn't verify signatures. A decoded token doesn't prove it's valid.
FAQ
Can I create JWTs with this tool?
This tool is for decoding only. Use a server-side library to create signed JWTs.