JWT Decoder (Client-side)

Instantly decode and analyze your JSON Web Tokens. All operations are performed securely in your browser.

How to Use the JWT Decoder

This tool makes debugging and inspecting JSON Web Tokens simple and secure:

✔️ **Paste Your Token:** Simply paste your complete JWT into the "Encoded Token" text area.
✔️ **Instant Decoding:** The tool will automatically parse the token and display the decoded Header and Payload in the right-hand panel.
✔️ **Syntax Highlighting:** The decoded JSON is beautifully formatted and highlighted for easy reading.
✔️ **Client-Side Security:** All decoding happens in your browser. Your tokens are never sent to any server, ensuring complete privacy.