PDF Tools - Convert Resize Merge is a lightweight add-on for Firefox that streamlines the process of handling PDF documents directly in your browser. Designed for users needing to convert, resize, or merge PDFs, this tool leverages the capabilities of Ghostscript, an open-source software that interprets PDF and PostScript formats. Users must install Ghostscript on their machines to fully utilize the add-on's functionalities. This installation process includes applying a native client patch to ensure seamless communication between the browser and Ghostscript.

The add-on's integration with Ghostscript allows for efficient document manipulation without needing to navigate away from your browser. After setting up, users can perform a variety of tasks related to PDF management swiftly. Whether you need to resize a document or merge multiple files into one, PDF Tools offers a user-friendly solution that enhances productivity while working with PDF files.