PDF Studio is an enhanced and affordable PDF tool developed by Qoppa Software. This tool is an editing software with all the features which are required for it. With all features, we mean like creating, editing and annotating a pdf document. It also has some precision measuring tools. You can fill in the forms in this and save them for later. It will allow you to append and delete pages from a pdf file. It has other features like creating watermarks, headers, and footers in documents. The latest version of PDF Studio also supports the new PDF 2.0 standards.