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 File, PPTX, Project, HTML, email and images using our Free Apps....between Visio Macro-Enabled Stencil File (VSSM) & Visio Drawing...to TIFF VSSM to TIF VSSM to JPG VSSM to JPEG VSSM to PNG VSSM...