JWT Debugger

Decode and inspect JWT tokens — view header, payload, expiry, and claims without a secret key.

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About this tool

Type
Text
Category
Developer
Total uses
0
Last updated
23 Feb 2026

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About JWT Debugger

The JWT Debugger decodes JSON Web Tokens and displays the header, payload, and claims in a readable format. Instantly check token expiry, issuer, subject, and all custom claims. Note: this tool decodes only — it does not verify the signature.

How to use JWT Debugger

Open the tool

Navigate to JWT Debugger on Xuvero — no registration required.

Enter or paste your text

Type or paste the text you want to process into the input field.

Get instant results

Click "Process" and instantly see the result. Copy it to your clipboard with one click.

Copy the code below to embed this tool on your website or blog.

<iframe src="https://xuvero.com/en/tools/jwt-debugger/embed" width="100%" height="480" style="border:none;border-radius:12px;" loading="lazy" title="JWT Debugger"></iframe>

Preview: https://xuvero.com/en/tools/jwt-debugger/embed

Frequently Asked Questions

A JSON Web Token (JWT) is a compact, URL-safe token format used for authentication. It consists of three parts: header, payload, and signature.
The decoding happens entirely in your browser — the token is never sent to any server. However, avoid sharing JWTs publicly.
The tool decodes and displays the header and payload. For full signature verification, you would need to provide the signing secret or public key.

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