Adobe Systems Incorporated, headquartered in San Jose, California, is a leading software manufacturer in the field of graphics and image editing. Established in 1982, the company's products include the image editing program "Photoshop", the illustration program "Illusrator" and the desktop publication programs "InDesign" and "Pagemarker." Adobe is also the creator of the page description language "PostScript" and the device-independent data format "PDF" (Portable Document Format).