REST APIs and Free Apps for documents & images conversion on .NET device. Convert between PDF, Microsoft Word, Excel, Visio Drawing Template, PowerPoint Open XML Presentation, PPTX, Project, HTML, email and images using our Free Apps....allows you to convert between Visio Drawing Template (VST) & PowerPoint...VST to TXT VST to MD VST to TIFF VST to TIF VST to JPG VST to...