JWT Decoder for Java

Free online jwt decoder with Java code examples

Working with jwt decoder in Java? Our free online jwt decoder helps Java developers format, validate, and process data instantly. Below you will find Java code examples using java-jwt / jjwt so you can achieve the same result programmatically in your own projects.

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Java Code Example

import com.auth0.jwt.JWT;
import com.auth0.jwt.interfaces.DecodedJWT;

String token = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c";

DecodedJWT jwt = JWT.decode(token);
System.out.println("Header: " + jwt.getHeader());
System.out.println("Subject: " + jwt.getSubject());
System.out.println("Claims: " + jwt.getClaim("name").asString());

Quick Setup

Library: java-jwt / jjwt
<!-- Maven: com.auth0:java-jwt:4.4.0 -->

Java Tips & Best Practices

  • JWT.decode() does not verify the signature
  • Use JWT.require(algorithm).build().verify(token) for verification
  • jjwt by io.jsonwebtoken is another popular alternative

Frequently Asked Questions

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