JWT Decoder
Decode and inspect JWT (JSON Web Tokens). View header, payload, and signature.
Client-side decode only - signature is NOT verified. Never paste a token you cannot afford to expose.
About JWT Decoder
Decode and inspect JWT (JSON Web Tokens). View header, payload, and signature.
JWT Decoder gives you clean, copy-paste-ready code: paste your source, choose the options, and the formatted output appears instantly.
How to Use JWT Decoder
- Paste your code, markup or configuration into the editor.
- Choose the output format or options offered.
- The formatted result updates live.
- Copy or download the finished code.
Key Features
- Clean, consistently formatted output ready to paste.
- Supports the common formats used in web development.
- One-click copy and download — no build step required.
Frequently Asked Questions
Can I copy the code generated by JWT Decoder?
Yes — every result has a copy button (and often a download option), so the output goes straight into your editor or page.
Is JWT Decoder free to use?
Yes. JWT Decoder is completely free with unlimited use — no account, download or payment required.
Is my data uploaded to a server?
No. JWT Decoder runs entirely in your browser. Your inputs are never sent to our servers or stored anywhere.
Does JWT Decoder work on mobile?
Yes. The interface is fully responsive and works in any modern browser on Android, iPhone, tablets and desktops.
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