QQ Browser (QQ浏览器) is a chromium-based web browser for Android, Windows, Mac, and iOS platforms. It is developed by Chinese Internet giant Tencent. The application offers a number of features beyond those offered by built-in browsers, such as tabbed windows and integration with other chat platforms. QQ browser version 9.0 was the first released version which used the chromium source code (Chromium v43). Prior to this QQ Browser was based on the Trident engine.