ToolzYard

Fast, responsive and ready developer tools

🔐 JWT Generator

Generate unsigned or HS256 JWT tokens directly in your browser.

Header JSON
Payload JSON
Algorithm
Secret (HS256 only)
Generated JWT
Ready to generate JWT.
⚡ JWT Tool • Free Online • No Signup

JWT Generator Online

Generate JWT tokens online using custom header, payload, and secret values. Useful for testing authentication flows, API development, debugging token-based systems, and creating sample JWTs quickly in the browser.

✅ Generate JWT
✅ HS256 support
✅ Custom payloads
✅ Browser-based

Why use this JWT generator?

JWTs are commonly used for authentication, authorization, and API communication. This tool helps developers create sample tokens quickly for testing workflows, local development, demos, and debugging token-based systems.

What is a JWT generator?

A JWT generator is a tool that creates JSON Web Tokens from a header, payload, and optional signing secret. It is especially useful when testing authentication systems, building protected APIs, validating claims, and simulating login flows during development.


This page allows you to generate unsigned tokens or HS256-signed tokens directly in the browser. It helps speed up debugging and lets you inspect how token contents are encoded without needing extra tools or scripts.

Frequently Asked Questions

What is a JWT?

JWT stands for JSON Web Token. It is a compact token format used to securely transfer claims between systems, especially in authentication and authorization workflows.

Does this tool support signing?

Yes. This version supports unsigned tokens and HS256-signed tokens.

Can I customize the payload?

Yes. You can edit both the header JSON and the payload JSON before generating the token.

Is this JWT generator free to use?

Yes. This tool is completely free and works directly in the browser.

Can I use this for API testing?

Yes. It is useful for generating test tokens for local development, API debugging, authentication testing, and demo environments.