J
JSON Web Token Builder
Build, encode, and decode JSON Web Tokens (JWT) with custom claims.
Networking
v1.0.0
19 uses
J
JSON Web Token Builder
Esc
or
Ctrl+Shift+F
to exit
Used for HMAC-SHA256 signing (client-side only)
About This Tool
This JSON Web Token Builder lets you create, encode, and decode JWTs with fully customizable headers, payloads, and signing options. It is built for backend developers, security engineers, and API architects who need to generate test tokens or understand JWT structure during development. The tool supports custom claims, multiple signing algorithms, and provides real-time encoding as you build your token.
How to Use
- 1 Configure the JWT header by selecting the signing algorithm
- 2 Add custom claims and payload data in the payload editor
- 3 Enter your secret key or signing credentials
- 4 Generate the encoded JWT and copy it for use in your application
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