Opera is a fast and secure web browser with tabbed, customizable interface. Features integrated searches, themes, device sync, mouse gestures, and built-in ad blocking. Also available is a service that includes a bookmarks and password sync along with an “off-road” mode that uses server-side compression to speed up browsing especially for low speed internet connections (account signup required). A variety of add-ons are available to extend functionality.
Based on Google Chrome, the program is available for Mac, Linux, Android and a variety of mobile phones and tablets. Opera v12 (Presto) is also available and includes many features not present in the newer version.
Alternative Portable versions: