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What is JWT?
Decode and inspect JWT (JSON Web Token) tokens. View the header, payload, and signature of any JWT token. Verify token expiration, claims, and structure. Essential for API development and debugging.
Key Features
How to Use JWT
Paste your JWT token
Click Submit to decode
View header, payload, and claims
Check expiration and other details
Common Use Cases
Tips & Best Practices
Check the "exp" claim to see when tokens expire
Verify the "iss" (issuer) claim matches your expected provider
Never share JWTs publicly — they contain authentication data
Frequently Asked Questions
What is a JWT?
A JSON Web Token is a compact, self-contained way to transmit information between parties as a JSON object. It's commonly used for authentication.
Is it safe to paste my JWT here?
JWTs are decoded entirely in your browser. We never send your tokens to any server.
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