JWT Decoder

Decode and inspect your JSON Web Tokens instantly.

About JWT Decoder

What is the JWT Decoder Tool?

The JWT Decoder Tool allows you to easily inspect the contents of a JSON Web Token (JWT). Simply paste your token and instantly reveal its header, payload, and signature details.

How It Works

  1. Paste your JWT string into the input field.
  2. The tool automatically decodes the token using a secure, client-side script.
  3. View the decoded header, payload, and signature in a readable JSON format.

Key Features

  • Instant Decoding: No server round trips—everything is processed client-side.
  • Detailed Output: Easily view claims and verify token information.
  • Secure & Private: Your token never leaves your browser, ensuring confidentiality.

If you are generating or verifying tokens too, pair this with JWT Generator and HMAC Generator & Verifier.

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