REST APIs and Free Apps for documents & images conversion on .NET device. Convert between PDF, Microsoft Word, Excel, Visio Drawing Template, Enhanced Windows Metafile, PPTX, Project, HTML, email and images using our Free Apps....allows you to convert between Visio Drawing Template (VSTX) & Enhanced...to DOCM VSTX to DOCX VSTX to DOT VSTX to DOTM VSTX to DOTX VSTX...