Google Chrome is a web browser developed by Google. It was first released in 2008 for Microsoft Windows, built with free software components from Apple WebKit and Mozilla Firefox . Versions were later released for Linux, macOS, iOS, iPadOS, and also for Android, where it is the default browser . The browser is also the main component of ChromeOS, where it serves as the platform for web applications . Most of Chrome's source code comes from Google's free and open-source software project Chromium,