JWT Decoder
Decode, inspect, and validate JSON Web Tokens with header analysis, payload inspection, expiry checking, and token generation.
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Algorithm
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Type
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Expires
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Status
HEADER
PAYLOAD
SIGNATURE
◆ What it does
Decode JWT tokens to inspect header, payload, signature. Validate expiry, generate test tokens, and compare tokens side-by-side.
▸ How to use
- Paste a JWT token in the input field
- View decoded header, payload, and signature
- Check token expiry and validity in the Info panel
- Generate test tokens in the Generator tab
▸ Why use this
- Debug authentication issues quickly
- Validate token claims and expiry
- Generate test JWTs for development
- No data sent to any server — fully client-side
FAQ
What is JWT Decoder?
Decode, inspect, and validate JSON Web Tokens with header analysis, payload inspection, expiry checking, and token generation.
How do I use JWT Decoder?
Paste a JWT token in the input field View decoded header, payload, and signature Check token expiry and validity in the Info panel
Why use JWT Decoder?
Debug authentication issues quickly Validate token claims and expiry Generate test JWTs for development