Free Developer Tool
JWT Encoder
Generate JWT tokens online using custom payloads and secrets.
Payload
Generated JWT
What is JWT Encoder?
JWT Encoder allows developers to create signed JSON Web Tokens from payload data and secret keys. Useful for testing authentication flows and APIs.
How to use
- Enter your JWT payload.
- Provide a secret key.
- Generate the encoded JWT token.
Features
- Generate JWT tokens
- Supports HS256 signing
- Custom payload support
- Runs entirely in your browser
- No data uploaded or stored
Example
Input
{
"userId": 123,
"role": "admin"
}Output
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...
FAQ
Is my JWT payload secure?
Yes. All encoding is performed locally in your browser.
Can I generate signed JWT tokens?
Yes. The tool supports JWT signing using a secret key.
Can I use generated tokens for testing APIs?
Yes. This tool is useful for API development and authentication testing.