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....for Visio (Template File) VSSX VSSX file that has objects to be...and Mermaid sequence diagram PDF PDF (Portable Document Format)...