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JWT Decoder

Decode and inspect JSON Web Tokens (JWT) online

Files never leave your deviceNo signup required

Frequently Asked Questions

What is a JWT?

A JSON Web Token (JWT) is a compact, URL-safe token format used for authentication. It consists of three Base64-encoded parts: header, payload, and signature, separated by dots.

Is it safe to paste my JWT here?

Yes - this tool runs entirely in your browser. Your token is never sent to any server. However, never share JWTs publicly as they may contain sensitive information.

How to Use JWT Decoder

  1. 1Open the JWT Decoder tool above - it loads instantly in your browser.
  2. 2Enter your data or upload your file. Everything is processed locally on your device - nothing is uploaded to any server.
  3. 3Get your results instantly. Copy, download, or share - completely free with no signup required.

JWT Decoderis part of BriskTool's collection of free online tools. All tools run entirely in your browser for maximum privacy and speed.

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