# jwt > Work with JSON Web Tokens (JWTs). > Encryption algorithms available are HS256, HS384, HS512, RS256, RS384, RS512, ES256, ES384. > More information: . - Decode a JWT: `jwt decode {{jwt_string}}` - Decode a JWT as a JSON string: `jwt decode {{[-j|--json]}} {{jwt_string}}` - Encode a JSON string to a JWT: `jwt encode {{[-A|--alg]}} {{HS256}} {{[-S|--secret]}} {{1234567890}} '{{json_string}}'` - Encode key pair payload to JWT: `jwt encode {{[-A|--alg]}} {{HS256}} {{[-S|--secret]}} {{1234567890}} {{[-P|--payload]}} {{key=value}}`