JWT Decoder / Encoder & Validator

Easily encode / decode JSON Web Tokens (JWTs) and verify their signatures. Perfect for API development, authentication debugging, and token inspection.

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ENCODED VALUE

JSON WEB TOKEN (JWT)

JWT SIGNATURE VERIFICATION (OPTIONAL)

Enter the secret used to sign the JWT below:

DECODED HEADER

JSON

{}

DECODED PAYLOAD

JSON

{}

About JWT Tokens

What is JWT?

JSON Web Token (JWT) is an open standard that defines a compact and self-contained way for securely transmitting information between parties as a JSON object. This information can be verified and trusted because it is digitally signed.

Common Uses

Authentication and authorization in web applications
Information exchange between parties
Securing API endpoints