REST APIs and Free Apps for documents & images conversion on .NET device. Convert between PDF, Microsoft Word, Excel, Visio Stencil File, Visio Drawing File, PPTX, Project, Html, email and images using our Free Apps....convert between Visio Stencil File (VSS) & Visio Drawing File (VSDX)...VSS to PPSM VSS to FODP VSS to HTML VSS to HTM VSS to MHT VSS to...