REST APIs and Free Apps for documents & images conversion on .NET device. Convert between PDF, Microsoft Word, Excel, Visio Macro-Enabled Stencil File, Visio Drawing Template, PPTX, Project, HTML, email and images using our Free Apps....between Visio Macro-Enabled Stencil File (VSSM) & Visio Drawing...VSSM to OTT VSSM to TXT VSSM to MD VSSM to TIFF VSSM to TIF VSSM...