Visio Diagram Java API can load and save variety of formats including VSDX, VDX, VSD, VTX, VSSX, VSDM, VSTM, PDF, XPS, SVG, EMF, JPEG, PNG, BMP, TIFF and Html....(Vector Graphics File Format) VSX Visio Stencil XML file type VTX...or Multi-Page TIFF Image HTML HTML Format Feature List...