REST APIs and Free Apps for documents & images conversion on .NET device. Convert between PDF, Microsoft Word, Excel, Visio Stencil File, Visio Drawing XML File, PPTX, Project, HTML, email and images using our Free Apps....convert between Visio Stencil File (VSS) & Visio Drawing XML File...VSS to PPTX VSS to PPSX VSS to ODP VSS to OTP VSS to POTX VSS to...