Opera is a popular graphical web browser and Internet suite which lets you surf web sites, send and receive e-mails, manage contacts, download BitTorrents, read newsfeeds, and chat online.
Opera eliminates sluggish performance, HTML standard violations, desktop domination, and instability.
Opera supports all major Web standards currently in use.
Opera supports HTTP 1.0 and HTTP 1.1 with persistent connections, cache control, basic authentication, resume download, SSL version 3 / TLS 1.0 and 1.1 support, proxy for HTTP, FTP, Gopher and WAIS. It features 256 bit encryption, for HTTP (web), NNTP (news), POP and SMTP (email).
Other Features include:
- Speed Dial allowing fast access to favorite Web sites.
- Opera Turbo – compresses Web pages via Opera’s servers.
- Content and Pop-up blocker to remove ads or images, 256-bit encryption, Security bar, Cookie control.
- Widgets, small web applications (multimedia, newsfeeds, games etc).
- Thumbnail Preview.
- Fraud Protection.
- Transfer manager showing download progress.
- Password manager remembering your usernames and passwords for web sites.
- Tabbed browsing.
- Integrated search.
- Sessions where a collection of tabs can be saved for later retrieval.
- Opera mail, a built-in POP/IMAP E-mail client with news reader, mailing list organizer, and RSS/Atom newsfeed reader.
- IRC chat client.
- BitTorrent support built-in.
- Skins so that the browser has a customizable appearance.
- Accessibility features.
- Full-screen mode.
- Kiosk mode (a lock-down mode for unattended computers in public places).
- Unicode support.
- Support for bidirectional text.
- Scalable Vector Graphics (SVG) support.
- Raster Graphics (GIF89a, JPEG, BMP, ICO, WBMP, and PNG).
- Advanced security features which screen websites downloading spyware or “phishing” for your personal data and pop-up blocker.
- Tabbed browsing allowing multiple web pages to be open in the same browser window.
- Spell checker.
- Live Bookmarks lets you view Web feeds such as news or blog headlines in the bookmarks toolbar or menu.
- Incremental find.
- Integrated download manager.
- Search system with drop down list of suggestions (works for Google, Yahoo! and Answers.com).
- Built in session restore, allowing you to return to the position when Firefox was last closed.
- Web Fees (RSS) integration allowing users to add RSS feeds to popular RSS readers with a click of the mouse.
- Support for DHTML accessibility.
- Automated updates.
- Highly extensible with a huge library of themes and extensions. Extensions add additional functionality to Firefox, allowing users to do such things as screen captures, gather RSS feeds and organize information among other things. Includes Add-ons Manager and a Search Engine Manager.
- Support for HTML 4.01, XHTML 1.0 and XHTML Modularization, XHTML 1.1, XHTML Basic, OMA XHTML Mobile Profile, XHTML+Voice profile 1.2, WML 1.3 and 2.0, Widget support, XML, XSL 1.0, XPath 1.0 and XSL-FO, XML namespaces, XML Events, CSS Level 1, 2, and 2.1, CSS Mobile Profile, WAP CSS, ECMAScript, DOM, DOM2 Core, DOM 2 HTML, DOM 2 Events,
DOM 2 Style, DOM 2 Range, DOM 2 Traversal, DOM 3 Load and Save, DOM 3 XPath, XMLHTTPRequest, Canvas, and experimental support for Web Forms 2.0.
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