Multiple File Downloader is a Firefox extension that simplifies the process of downloading multiple files from a webpage. It utilizes the HTML5 'download' attribute to identify downloadable content, displaying a convenient download icon in the address bar whenever applicable. Users can easily select their desired files from the popup interface and allow Firefox to manage the downloads seamlessly. This tool enhances productivity by allowing bulk downloads without the need for individual selections, making it particularly useful for users who frequently download multiple files at once.

In addition to supporting HTML5 pages, Multiple File Downloader is compatible with non-HTML5 content as well. Website developers can enhance their sites by incorporating the 'download' attribute into anchor tags, enabling users to download multiple files directly. The extension has undergone several updates, improving its functionality and user experience, including scriptability and automatic directory creation for downloads. Overall, this utility serves as a robust solution for managing file downloads efficiently.