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