Convert any valid JSON object to a class of one of the currently supported languages. Preview the generated content before saving it. Include constructors. Change the root class name. Set a class name prefix for the generated classes. A constructor wich accepts an instance of NSDictionary, JSON, JSONObject instance depending on the file language, and the class will use this object to fill its properties data. Objective c and Swift both supported. Objective-C - iOS. Objective-C - MAC. Swift - iOS. Swift - MAC.