Simple, free universal viewer for PDF, CAD Drawings, Word, Excel, PowerPoint, digital photos, 3D Models, and more. Open multiple files of different type and tile them to see them all on your screen at once. View compound .ez presentations. View layers, change colors on DWG and DXF files. Amazing sectioning and HLR for 3D models. Supports PDF, DXF, DWG, CGM, HPG, PLT, 3DS, IGS, STL, VRML, O2C, JPG, GIF, BMP, TGA, PNG, DOC, PPT, XLS, & EZ.