Document Converter & Search is a Firefox add-on that offers seamless file conversion between various formats including JPG, DOC, PPT, XLS, and PNG to PDF and vice versa. Users can easily merge multiple documents into a single PDF file, enhancing productivity while maintaining quality. The tool features a straightforward interface, allowing users to drag and drop files or upload them directly for conversion. Additionally, it provides options for previewing and sharing files through platforms like WhatsApp and email.

In addition to its conversion capabilities, Document Converter & Search changes the default search engine to Yahoo, facilitating a comprehensive web search experience. Users can search for a variety of content such as images, videos, and news articles directly from the search box. The add-on is subscription-based, and users have the option to uninstall it at any time, ensuring flexibility and control over their browser experience.