Vivaldi 2.0.1309.42 Offline Installer – Download Vivaldi is a Chromium-based web browser for fast, functional, flexible and user-oriented power users. Vivaldi’s interface is very customizable. Vivaldi combines simplicity and mode to create a highly customizable basic interface that provides all the needs of internet users. The browser allows users to customize the appearance of UI elements such as background color, overall theme, address bar and tab positioning, and the start page. Vivaldi has the ability to “stack” and “tile” tabs, annotate web pages, add notes to bookmarks and more.