Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms...."TextAlignment" : 0 , "Value" : "TEXT" , "TextState" :{ "FontSize"...Examples Add image stamp Add Text Stamp - Watermark to a PDF Page...