REST APIs and Free Apps for documents & images conversion on .NET device. Convert between PDF, Microsoft Word, Excel, Visio Drawing File, OpenDocument Presentation Template, PPTX, Project, HTML, email and images using our Free Apps....allows you to convert between Visio Drawing File (VSDX) & OpenDocument...to POTX VSDX to POT VSDX to POTM VSDX to PPTM VSDX to PPSM VSDX...