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

Firefox has gotten quite a bit faster in recent months; memory usage is much lower than either Chrome or Safari at this point in time.

Sometimes, I have too much free memory or CPU cycles. Sometimes, I just want to have to update software and arbitrarily disable chunks of its functionality. For these moments, I reach for Firefox.

Still too memory hungry to be a serious contender.
Only use it to download some video that I cannot download for Safari.

Firefox has been getting a lot better in the last little while. Version 7 is pretty fantastic. It's fast, lean (two things Firefox lost for several years) and has a straightforward UI.

NO! Thanks.

These guys don't support PPC-Macs since v. FF 4.0 …

firefox 5.0 for mac released .... you need to update it on your list.

Firefox is the only browser that gets color management support right. It's better than Safari because it has control over how page elements are treated. This is specially useful for users with wide gamut displays.

Firefox since version 4 is back in the saddle again. I just switched back and forth between Safari, Chrome and Firefox for months now, but I'm staying with Firefox.
It's just so customisable and well thought through in the tinier details. Not to mention some plugins you just can't get on the other browsers.

Also did several comparisons on memory consumption and Firefox 4 was always the lowest. Worst was Chrome using at average two to three times the memory Firefox was using.

> +1 on that grapple theme, works with the new release candidate also!

I guess you're referring to this add-on?

Just a little shoutout for the PowerPC users. Someone is maintaining a branch of Mozilla Firefox 4 that runs on OS X 10.4+ &G3/G4/G4e/G5. It's called TenFourFox:

(Anybody with artistic sens, please make a better icon)

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