App Wrapper [Download] App Wrapper's Code signing engine is capable of code signing helper apps, frameworks, plugins & AppleScripts. App Wrapper 2.0 features a new GUI interface to simplify the specification of Entitlement keys and their values. It includes tools to help validate a Sandboxed application and to track down Sandbox violations. App Wrapper features a 'Document Icon Maker' that can generate (AHIG conforming) High Resolution ICNS files using the Application icon and a simple identifier. App Wrapper features Help Validator which will check the help documents for simple XHTML errors, broken links, missing images and other common errors. App Wrapper features functionality to add importable and exportable UTIs to an application, it includes a function that can generate a matching UTI from a document type. This enables developers to easily add support for "Document Packages".