InstAddr is a subscription-based security and privacy add-on for Firefox, designed to enhance your email management while safeguarding your privacy. This tool allows users to create and utilize discarded email addresses easily, helping to protect against spam and unwanted communications. By simply right-clicking in an input box on any website, users can generate a temporary email address, making it convenient to manage online registrations without compromising personal information.

In addition to its core functionality, InstAddr provides customizable settings accessible via the add-on icon. Users can adjust sound notifications, pop-up settings, and volume preferences to tailor their experience. Importantly, this add-on operates under strict privacy protocols, ensuring that no personal information is read or transmitted during its use. Overall, InstAddr offers a practical solution for those looking to maintain their privacy while navigating online interactions.