Forget Me Not is a Firefox extension designed to enhance user privacy by managing and deleting data that websites store in the browser. With version 2.0, it introduces a refreshed user interface and over 335 unit tests to ensure functionality and reliability. The extension allows users to create specific rules for data deletion, offering various cleanup options such as on startup, on leaving a site, or instantly, ensuring a tailored experience based on user preferences.

This extension focuses on deleting cookies, local storage, history, and downloads, with options to delay actions and manage third-party cookies effectively. Users can configure settings to prevent unwanted data storage and ensure that their browsing remains private. With a commitment to user privacy, Forget Me Not does not collect or analyze personal data, making it a robust tool for those who prioritize online security.