RSSPreview is a Firefox extension designed to restore the RSS preview feature that was removed in version 64 and above. This tool is particularly beneficial for users who rely on RSS feeds for content aggregation. It includes essential functionalities such as feed detection, which simplifies the process of finding RSS feeds on various websites, and an address bar button for easy access.

In addition to restoring basic RSS functionalities, RSSPreview enhances user experience by detecting feeds from iTunes podcast pages, making it a valuable resource for podcast enthusiasts. Furthermore, it offers custom CSS support, allowing users to personalize the appearance of their feeds. With its subscription-based model, RSSPreview aims to streamline the way users interact with RSS feeds, ensuring they can stay updated with their favorite content effortlessly.