JWT Decoder Tool – Decode & Inspect JWTs Online

Decode JSON Web Tokens (JWT) to inspect their header, payload, and signature. Debug authentication issues quickly.

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JWT Token

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Frequently Asked Questions

What is a JWT?+

A JSON Web Token (JWT) is a compact, URL-safe way to represent claims between two parties. It consists of a header, payload, and signature, separated by dots.

Is it safe to decode my JWT here?+

Yes. All decoding is done locally in your browser using JavaScript. Your token is never sent to any server.

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About JWT Decoder

Decode JSON Web Tokens (JWT) to inspect their header, payload, and signature. Debug authentication issues quickly.

This tool works entirely in your browser — no server uploads, no account required. Your data stays on your device at all times.

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