Image previews are now commonly used to present your file/document to the users. It is quite useful when you want the users to quickly have a look at your document without downloading or opening it. As an example, MS Windows has this ability to provide the preview of the files in the preview pane of File Explorer without opening the document in the dedicated software program.
Did you ever desire to have the ability to generate image previews in your application?...documents Presentations Spreadsheets Word processing documents...