This article compares browser engines, especially actively-developed ones. Some of these engines have shared origins. For example, the WebKit engine was created by forking the KHTML engine in 2001. Then, in 2013, a modified version of WebKit was officially forked as the Blink engine. General information The following browser engines are discussed in this article Support These tables summarize what actively-developed engines can support. Operating systems The operating systems that engines can run on without emulation. Notes Image formats Media formats Typography Other items See also Comparison of web browsers Comparison of email clients Notes References Layout engines engine