VSD files are drawings created with Microsoft Visio application to represent variety of graphical objects and the interconnection between these. Such drawings can contain visual objects such as visual objects, flow charts, UML diagram, information flow, organizational charts, software diagrams, network layout, database models, objects mapping and other similar information. Microsoft Visio offers the capability to convert Visio files to a number of different file formats including PNG, BMP, PDF and others.
You can also add watermark to many other file formats. Please see the complete list below.