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.... qr_encode_type QR / MicroQR selector mode. Select ForceQR...standard QR symbols, Auto for MicroQR. qr_error_level Level of Reed-Solomon...