Generate secure random secrets for JWT signing. Creates cryptographically strong keys.
Our JWT secret key generator helps you create secure keys for signing JWT tokens. Choose your desired key length and character types to generate strong, random keys. All generation happens in your browser, ensuring your keys stay private and secure.
A good JWT secret key should be random, long enough (at least 32 characters), and contain a mix of characters. The key should be kept secure and never shared publicly.
For HMAC-based algorithms (HS256, HS384, HS512), a minimum length of 32 characters is recommended. For better security, use 64 characters or more, especially for HS384 and HS512.
Yes, you can use special characters in your JWT secret key. In fact, using a mix of uppercase, lowercase, numbers, and special characters increases the key's entropy and security.
Copy the generated secret key and use it in your JWT signing process. Keep it secure and never expose it in client-side code or public repositories.
Yes, keys are generated using cryptographically secure random number generation, entirely in your browser. The keys never leave your device.