Opera is a web browser and Internet suite developed by Opera Software. The browser handles common Internet-related tasks such as displaying web sites, sending and receiving e-mail messages, managing contacts, chatting on IRC, downloading files via BitTorrent, and reading web feeds. Opera is offered free of charge for personal computers and mobile phones.
Opera does not come packaged with any desktop operating system; however, it is the most popular mobile browser, and the most popular desktop browser in some countries, such as Ukraine.
Features include tabbed browsing, page zooming, mouse gestures, and an integrated download manager. Its security features include built-in phishing and malware protection, strong encryption when browsing secure websites, and the ability to easily delete private data such as HTTP cookies.
Opera is known for originating many features later adopted by other Web browsers.
Opera runs on a variety of personal computer operating systems, including Microsoft Windows, Mac OS X, Linux, and FreeBSD. Editions of Opera are available for devices using the Maemo, BlackBerry, Symbian, Windows Mobile, Android, and iOS operating systems, as well as Java ME-enabled devices. Approximately 120 million mobile phones have been shipped with Opera. Opera is the only commercial web browser available for the Nintendo DS and Wii gaming systems. Some television set-top boxes use Opera. Adobe Systems has licensed Opera technology for use in the Adobe Creative Suite.