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 (VSSX) & Visio Stencil File (VSSX)...VSSX to MD VSSX to TIFF VSSX to TIF VSSX to JPG VSSX to JPEG VSSX...