JWT Generator
Construct and sign mock or test JSON Web Tokens with custom payloads, claims, and HMAC secrets.
How to Use JWT Generator
Edit the payload JSON (sub, name, role, iat, exp).
Enter a secret signing key.
Copy the generated, signed JWT string.
JWT Generator runs 100% client-side in your web browser. Your data, passwords, keys, and files are processed using the Web Crypto API and never transmitted to any server. Zero telemetry, zero storage, zero cloud processing.
Frequently Asked Questions
Can I use this for API testing?
Yes, it is ideal for generating mock authorization headers when testing REST endpoints.
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