Files Preview in Browser

We need a robust functionality to present (embed) all types of files in our browser. It should not open in browser's default viewer. It must be the easiest way to use presentations, spreadsheets, PDF's, Images and other documents on our website without any external dependencies. No tricks, no conversions, no unexpected downtime from external services, and no plugins required. it should work just fine in all major browsers today from the comfort of your own web-server. Please check the attached PDF file for detailed info.