Zweites Deutsches Fernsehen (ZDF), is a German public-service television broadcaster based in Mainz and launched in 1963. It is run as an independent non-profit institution, which was founded by all federal states of Germany (Bundesländer). ZDF is financed by television licence fees and advertising revenues.
ZDF also operates the channels KI.KA, Arte, 3sat, and Phoenix in cooperation with other networks. Included in its digital offering, called ZDFvision are the channels ZDFneo, ZDFinfo and ZDFkultur. Today, ZDF is one of Europe's largest television networks.