JWT Decoder
Paste your JWT token below to decode and view its header and payload. This tool does not verify the signature. Everything runs locally in your browser for full security.
Why Use a JWT Decoder?
- Inspect and debug JWT tokens securely
- View JSON payload without revealing it to a server
- Helps in understanding token structure and claims
- Ideal for API testing and learning about auth mechanisms
FAQs
🔹 What is a JWT?
A JWT (JSON Web Token) is a compact, URL-safe means of representing claims to be transferred between two parties.
🔹 How does JWT work?
JWTs are created by signing a JSON object with a secret key, allowing the recipient to verify the token's authenticity.
🔹 What are the benefits of using JWT?
JWTs are stateless, compact, and can be easily transmitted via URL, POST, or HTTP headers.
🔹 Can I trust a JWT?
JWTs can be trusted if they are signed and the signature is verified using the appropriate key.