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 DOTM VSS to DOTX VSS to RTF VSS to ODT VSS to OTT VSS to...