REST APIs and Free APps for documents & images conversion on .NET device. Convert between PDF, Microsoft Word, Excel, Visio Drawing File, Visio Template XML File, PPTX, Project, HTML, email and images using our Free APps....convert between Visio Drawing File (VSDX) & Visio Template XML File...to VSTM VSDX to PPT VSDX to PPS VSDX to PPTX VSDX to PPSX VSDX...