About This Tool
Documentation
What does this tool do?
A cryptographic token generation tool for building signed JWTs. Configure custom payload claims (user ID, role, permissions), select algorithms (HS256, HS384, HS512), set standard claims (iss, sub, aud, exp, nbf), provide signing secret keys, and generate compact RFC 7519 JWT strings.
When should you use it?
Use this tool to generate mock authentication tokens for API testing, seed staging environments with test credentials, verify backend JWT validation logic, or create bearer tokens for microservice testing.
Key Capabilities & Features
Highlights
Create and sign custom JSON Web Tokens (JWT) with standard and private claim payloads
Signature algorithms supported: HMAC (HS256, HS384, HS512) and RSA private keys (RS256)
Automated timestamp helpers for exp (expiration), iat (issued at), and nbf (not before)
Custom JWT header configuration supporting typ, alg, and kid attributes
Instant copy of encoded JWT string alongside cURL and Authorization Bearer header snippets