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)...to JPEG VSSX to PNG VSSX to GIF VSSX to BMP VSSX to ICO VSSX...