REST APIs and Free Apps for documents & images conversion on .NET device. Convert between PDF, Microsoft Word, Excel, Visio Drawing Template, Visio Template XML File, PPTX, Project, HtmL, email and images using our Free Apps....convert between Visio Drawing Template (VSTX) & Visio Template XML...to FODP VSTX to HTML VSTX to HTM VSTX to MHT VSTX to MHTML How...