*** NEW*** We are Ultra PDF Editor now. New features include annotation and filling forms. The viewer is free, while the full license has to be purchased to save annotation and forms filled.
Ultra PDF Editor is a Windows Store app that provides an easy way to view and annotate PDF files on all Windows devices. You can also fill PDF forms with it. Our goal is to be the best .PDF file editor App on Windows Store.
PDF stands for portable document format. It's a file format designed and developed by Adobe Systems. The purpose of the file format is to independently represent document, including text formatting and images. PDF files are widely used on internet and on all platforms and operating systems.
