REST APIs and Free Apps for documents & images conversion on .NET device. Convert between PDF, Microsoft Word, Excel, Visio Drawing Template, XML Paper Specification File, PPTX, Project, HTML, email and images using our Free Apps....allows you to convert between Visio Drawing Template (VSTX) & XML...to POT VSTX to POTM VSTX to PPTM VSTX to PPSM VSTX to FODP VSTX...