JWT Decoder

Parse, verify JSON Web Token and view detailed information

Enter a JWT Token to start parsing

Consists of three parts, separated by dots (.):
header.payload.signature

What is JWT?

JSON Web Token (JWT) is an open standard (RFC 7519) for securely transmitting information between parties as a JSON object.

JWT Structure

Consists of three parts:

Header
Payload
Signature

Common Claims

issIssuer
subSubject
audAudience
expExpiration time
nbfEffective time
iatIssued time
jtiUnique ID

Use Cases

  • API authentication (OAuth2 / OpenID Connect)
  • Single Sign-On (SSO)
  • Information exchange (ensuring data integrity)
  • Mobile API authorization
  • Authentication between microservices