REST APIs and Free Apps for documents & images conversion on .NET device. Convert between PDF, Microsoft Word, Excel, Visio Drawing File, PowerPoint Open XML Macro-Enabled Slide, PPTX, Project, HTML, email and images using our Free Apps....allows you to convert between Visio Drawing File (VSD) & PowerPoint...VSD to DOTX VSD to RTF VSD to ODT VSD to OTT VSD to TXT VSD to...