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