Secure Kit is a privacy-focused browser extension designed for Firefox users. This subscription-based tool simplifies the process of making your browsing experience anonymous with a single click, offering both recommended and strict settings. Advanced users can customize their preferences manually, allowing for tailored privacy controls. Key features include disabling WebRTC, Flash, Java, cookies, and JavaScript, along with preventing unique browser fingerprints that could be used to track user activity.

The extension also enables HTTPS Everywhere, the Do Not Track feature, and allows users to change their browser user agent and geolocation settings. Users can connect to the free TOR network without additional software and manage their subscriptions effectively. Importantly, Secure Kit maintains a strict privacy policy, ensuring that no information about user activity is collected or logged, thus providing a secure browsing environment.