VectorViewer provides a robust HTML5 Document/Image Viewer that is truely a turnkey solution. The Viewer supports all standard document/image formats such as jpg, png, pdf, html, text, .doc, .xls, .ppt and many more.
The product comes along the cloud storage of documents, OAuth to perform authentication and simple APIs to upload document to the cloud, open that document in future with various options such as with annotation support, readyonly document and many others. All annotations added to the document gets stored as a layer on top of the existing document and the original document remains untouched. The Viewer also supports many other standard editor features such as adding a new page, deleting a page, moving around pages, rotating in various orientations etc.