Version: 41.0.1 || Release Date: 2015-01-01 || License: GPL Developer: Mozilla Foundation | App Owner: tobiasps

Surf the Web, block pop-ups, and keep spyware at bay with this lean and fast open-source browser

Mozilla Firefox is a fast, full-featured Web browser. Firefox includes pop-up blocking, tab-browsing, integrated Google search, simplified privacy controls, a streamlined browser window that shows you more of the page than any other browser and a number of additional features that work with you to help you get the most out of your time online.

Firefox 3.5 is based on the Gecko 1.9.1 rendering platform, which has been under development for the past year. Firefox 3.5 offers many changes over the previous version, supporting new web technologies, improving performance and ease of use, and adding new features for users: It is now available in more than 70 languages, includes a Private Browsing mode, better performance and stability with the new TraceMonkey JavaScript engine, the ability to provide Location Aware Browsing using web standards for geolocation, support for native JSON, and web worker threads, support for new web technologies such as: HTML5 < video > and < audio > elements, downloadable fonts and other new CSS properties, JavaScript query selectors, HTML5 offline data storage for applications, and SVG transforms.

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88 Opinions

Used for Zotero, or when Chrome presents difficulties.

I've been a Firefox user ever since it was first launched. But lately I've had to deal with a lot of crashes, mostly related to printing. I've tried everything but now gave up annoyed by losing work all the time.

I switched to the only other browser capable of remembering individual page zoom levels which to me is a must-have: Google Chrome.

Sorry not for me, 3.6 with plugins is still too slow when launching compared to safari with plugins. Still useful to have as a secondary browser for developing purposes.

Firefox become very fast in 3.6; differences between Safari and others are now marginal and more ore less just a matter of opinion. Firefox seems now even uses native Mac OS X menus. Even when Fx is not my first choice OS X browser, it is good to have it around for some uses. No problems at all.

I'll take Firefox over Safari any day. Love my Firefox, and my themes, and my add ons. I very rarely have performance problem.

Although firefox is sluggish compared to Safari, it is still the quintessential browser for web development. The Firebug and Web Developer plugins have been necessities in my toolbox for years!

Guy's, seriously, give Safari a shot. It's ten times faster IN EVERYTHING. Startup time, better memory management, less cpu intensive (saves like 20 minutes of battery time)... there are no extensions that could replace these features.

I've been tinkering with Firefox for years. I still love it but not under OS X.

Firefox 3 on OSX is a great improvement over Firefox 2. It starts faster and is less of a memory hog. It probably helps that they switched to cocoa. The default skin also resembles the Unified theme. I used to use Camino for a long time because it was faster than Firefox 2, but I have switched back to Firefox due to these improvements.

Firefox 3 is much less memory hungry than it was previously.

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