JWT Builder & Decoder

Create, sign, decode and validate JSON Web Tokens (JWT) with HS256 and RS256 algorithms. Perfect for developers working with authentication and API security.

JWT Configuration

Header

Payload

Algorithm

Secret

Examples

How to use

• Enter the JWT header and payload as valid JSON
• Choose between HS256 (HMAC) or RS256 (RSA) algorithms
• For HS256, provide a secret key. For RS256, provide private and public keys
• The tool will generate a signed JWT token that you can use for testing