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....Join ( "Tests" , "test_data" , "qr.png" )); byte [] imageBytes =...Join ( "Tests" , "test_data" , "qr.png" )); using var fileStream...