PPTX to HTML slide viewer (.NET)

Hi i would like to convert pptx to html file using aspx.net and also I need left side page view, next and previous navigation option like the url (Free Online PowerPoint Viewer). Could please share me the code like the url(Free Online PowerPoint Viewer).

@Pravins,

I have observed your requirement and like to share that the link that you have shared is our free online presentation viewer to show slide thumbnails. In order to create HTML of slides, I suggest you to please visit this link for your kind reference.