Opera Browser

 

Main article: Features of the Opera web browser

See also: Opera Mobile#Features, Opera Mini#Features, Nintendo DS & DSi Browser#Features, and Internet Channel#Features

Opera includes built-in tabbed browsing, ad blocking, fraud protection, a download manager and BitTorrent client, a search bar, and a web feed aggregator. Opera also comes with an e-mail client called Opera Mail and an IRC chat client built in.
Opera includes a "Speed Dial" feature, which allows the user to add an unlimited number of pages shown in thumbnail form in a page displayed when a new tab is opened. Thumbnails of the linked pages are automatically generated and used for visual recognition on the Speed Dial page or can be modified using Opera Image Dial Generator. Once set up, this feature allows the user to more easily navigate to the selected web pages.
Opera is extensible in a third way via plug-ins, relatively small programs that add specific functions to the browser, and as of Opera 11, third-party extensions. However, Opera limits what plug-ins can do. Additionally, "User JavaScript" may be used to add custom JavaScript to web pages.

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