y-DocViewer document conversion solution y-DocViewer is a document conversion solution with a responsive web viewer. It converts various types of documents such as HWP, DOC, PPT, XLS, PDF, and provides them for easy viewing in the browser of PC or mobile (smartphone, tablet) without installing additional ActiveX or EXE. It adheres to web accessibility and web standards and provides various convenience functions such as search function, QR code function, SNS sharing function, zoom in / out and thumbnail function