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 (VSTX) & Visio Stencil XML...to JPG VSTX to JPEG VSTX to PNG VSTX to GIF VSTX to BMP VSTX...