Furthermore, Firefox’s synchronization feature lets you access your open tabs, browsing history, and bookmarks in different locations. In addition to offering a wide range of extensions as an open-source project with a large number of active contributors, it also has a large number of active contributors. Pages in Firefox are rendered using Gecko, which implements both current and upcoming web standards. Mozilla Firefox, commonly known as Firefox, is a free and open-source web browser which is developed by the Mozilla Foundation and its subsidiary, Mozilla Corporation.