Powerful, easy to use PDF Editor software for Windows, Mac and Linux (alternative to Adobe Acrobat) Qoppa's PDF Studio 7 Pro Edition is a complete package featuring the following functions: **Review and Markup Documents; **Add Watermarks, Headers and Footers; **Create PDFs from Paper Images; **Fill & Save PDF Forms; **Content Editing (text, images, shapes); **Digitally Sign PDFs; **Batch Process Multiple PDFs