PDF Studio is complete PDF editor to review and markup PDF documents. PDF Studio support most PDF functions including commenting, form-filling, document assembly, security, text highlight, image and text extraction, bookmarks, header and footers, scanning to PDF and more... PDF Studio works on Windows, Mac and Linux and maintains full compatibility with the PDF format. The software is entirely based on the techonlogy developed by Qoppa Software and doesn't require any other tools or third party programs to run.