Decode JWT Token

Get JWT token payload using JavaScript Buffer

Follow @FrainlarEdsonEdson FrainlarAugust 29, 2022 · 1 min read · Last Updated: August 29, 2022

Method

1function decodeJwt(token) {
2  var base64Payload = token.split(".")[1];
3  var payloadBuffer = Buffer.from(base64Payload, "base64");
4  return JSON.parse(payloadBuffer.toString());
5}

Usage

1var payload = decodeJwt(
2  "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c"
3);
4console.log(payload);

javascript

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Written byEdson Frainlar Follow @FrainlarEdson
Mission-driven Full-stack Developer with a passion for developing KTern, Dev Collaboration, and teaching. Curious to explore Quantum Information and Computing.
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