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