Professional Tools • Private by Design
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) securely online in your browser. Instantly view JWT headers and payloads for debugging, development, or learning—no uploads, no risk of data exposure. 100% private and free.
About This Tool
Learn what makes this tool special
Decode JWT tokens instantly and securely in your browser. View the header and payload details for debugging, learning, or inspecting token contents. No uploads or data sharing—everything happens locally for maximum privacy. Ideal for developers, security researchers, and anyone working with JSON Web Tokens.
Key Features
What makes this tool special
- Decode JWT tokens instantly in-browser
- View header and payload details
- No uploads—100% private
- Great for debugging and learning JWT structure
- Works on all devices
Quick Guide
Master this tool in seconds
- 1Paste your JWT and click Decode.
Common Questions
Everything you need to know
Q.Does it verify signatures?
A.
No, this tool only decodes the token.
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