REST APIs and Free Apps for documents & images conversion on .NET device. Convert between PDF, Microsoft Word, Excel, Visio Drawing Template, Visio Stencil XML File, PPTX, Project, HTML, email and images using our Free Apps....convert between Visio Drawing Template (VST) & Visio Stencil XML...VST to RTF VST to ODT VST to OTT VST to TXT VST to MD VST to TIFF...