Functions can be added through add-ons, created by third-party developers, of which there is a wide selection, a feature that has attracted many of Firefox's users. Mozilla Firefox is a cross-platform browser, providing support for various versions of Microsoft Windows, Mac OS X, and Linux. Firefox Features. Improved Tabbed Browsing; Spell Checking. These versions are displayed for testing and reference purposes. Sometimes all subscriptions were listed as additional subscriptions. Worked around the limitations of notifications on Firefox (issue 6496). Source code released under GNU General Public License, version 3.0.
Sometimes, the latest version of an app may cause problems or not even work. While the developer is fixing the problem, try using an older version. If you need the previous version of Firefox, check out the app's version history which includes all versions available to download. Download prior versions of Firefox for Mac.
This is a version of Firefox which is 'locked' at a major release version, as opposed to a version of Firefox which just updates itself to the very latest version available. The ESR Version of Firefox won't receive any new features and will continue to work in the existing, expected way.
Firefox was the first browser to introduce a private browsing feature which allows you to use the internet more anonymously and securely. History, searches, passwords, downloads, cookies and cached content are all removed on shutdown. Minimizing the chances of another user stealing your identity or finding confidential information.
A faster, more secure and customizable Web browser.
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Mozilla Firefox is a fast, light and tidy open source web browser. At its public launch in 2004 Mozilla Firefox was the first browser to challenge Microsoft Internet Explorer’s dominance. Since then, Mozilla Firefox has consistently featured in the top 3 most popular browsers globally and this is set to continue thanks to the release of Firefox 30. The key features that have made Mozilla Firefox so popular are the simple and effective UI, browser speed and strong security capabilities. The browser is particularly popular with developers thanks to its open source development and active community of advanced users.
Easier Browsing
Mozilla put of a lot of resources into creating a simple but effective UI aimed at making browsing quicker and easier. They created the tab structure that has been adopted by most other browsers. In recent years Mozilla has also focused on maximizing browsing area by simplifying toolbar controls to just a Firefox button (which contains settings and options) and back/forward buttons. The URL box features direct Google searching as well as an auto predict/history feature called Awesome Bar. On the right side of the URL box there are bookmarking, history and refresh buttons. To the right of the URL box is a search box which allows you to customize your search engine options. Outside of that a view button controls what you see below the URL. Next to that you have the download history and home buttons.
Speed
Mozilla Firefox boasts impressive page load speeds thanks to the excellent JagerMonkey JavaScript engine. Start up speed and graphics rendering are also among the quickest in the market. Firefox manages complex video and web content using layer-based Direct2D and Driect3D graphics systems. Crash protection ensures only the plugin causing the issue stops working, not the rest of the content being browsed. Reloading the page restarts any affected plugins. The tab system and Awesome Bar have been streamlined to launch/get results very quickly too.
Security
Firefox was the first browser to introduce a private browsing feature which allows you to use the internet more anonymously and securely. History, searches, passwords, downloads, cookies and cached content are all removed on shutdown. Minimizing the chances of another user stealing your identity or finding confidential information. Content security, anti-phishing technology and antivirus/antimalware integration ensures your browsing experience is as safe as possible.
Personalisation & Development
One of the best features of the Firefox UI is customization. Simply right click on the navigation toolbar to customize individual components or just drag and drop items you want to move around. The inbuilt Firefox Add-ons Manager allows you to discover and install add-ons within the browser as well as view ratings, recommendations and descriptions. Read about the top recommended add-ons for Mozilla Firefox on TechBeat. Thousands of customizable themes allow you to customize the look and feel of your browser. Site authors and developers can create advanced content and applications using Mozilla’s open source platform and enhanced API.
Process separation (e10s) is enabled for some of you. Like it? Let us know and we'll roll it out to more.
Roar for moar protection against harmful downloads! We've got your back
Add-ons that have not been verified and signed by Mozilla will not load
GNU/Linux fans: Get better Canvas performance with speedy Skia support. Try saying that three times fast
WebRTC embetterments:
Delay-agnostic AEC enabled
Full duplex for GNU/Linux enabled
ICE Restart & Update is supported
Cloning of MediaStream and MediaStreamTrack is now supported
Searching for something already in your bookmarks or open tabs? We added super smart icons to let you know
Windows folks: Tab (move buttons) and Shift+F10 (pop-up menus) now behave as they should in Firefox customization mode
The media parser has been redeveloped using the Rust programming language
Windows 7 systems without Platform Update can now use D3D11 WARP
Various security fixes
Improved step debugging on last line of functions
Heyo, Jabra & Logitech C920 webcam users. We fixed those pesky WebRTC bugs causing frequency distortions. Buh-bye, squeaky voice!
After version 48, SSE2 CPU extensions are going to be required on Windows
So long to support for 10.6, 10.7 and 10.8. Now we can focus on where most Mac users are: 10.9. Don't forget to upgrade!
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This article describes how to uninstall the Firefox application for supported operating systems. If you are planning to uninstall and reinstall Firefox to fix problems you may be having, you should first read Troubleshoot and diagnose Firefox problems.
Table of Contents
To uninstall Firefox, follow these steps:
Close Firefox (if Firefox is open): Click the Firefox menu and select Exit.Click the Firefox menu at the top of the screen and select Quit Firefox.Click the Firefox menu and select Quit.
Open the Applications folder in Finder.
Drag the Firefox application to the Trash.
Your uninstall of Firefox is finished.
If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see Install Firefox on Linux for details.If you downloaded and installed the binary package from the Firefox download page, simply remove the folder firefox in your home directory to uninstall Firefox.
Uninstalling Firefox does not remove your user profile, which includes personal information such as bookmarks, passwords and cookies. If you also want to remove this information, you should remove the folder that contains your Firefox profile, which is stored in a separate location from the Firefox program.
If you want to preserve your bookmarks, passwords, cookies, and other user data and settings, see Back up and restore information in Firefox profiles.
Delete the firefox folder that contains your profile folder and the profiles.ini fileDelete the Firefox folder that contains the Profiles folder and the profiles.ini file - see How do I find my profile? for the location.
To begin the process of uninstalling Firefox, follow these steps:
Close Firefox (if Firefox is open): Click the Firefox menu and select Exit.Click the Firefox menu at the top of the screen and select Quit Firefox.Click the Firefox menu and select Quit.
Click the Windows button and select Control Panel.
In the Control Panel window, click on Add or Remove Programs. The Add or Remove Programs window will open.
From the list of currently installed programs, select Mozilla Firefox.
To begin the uninstall, click the button to the right of Mozilla Firefox.
If the Uninstall Wizard does not run, you can start it manually by running helper.exe, which is located by default in C:Program FilesMozilla Firefoxuninstallhelper.exe.
In the Mozilla Firefox Uninstall Wizard that opens, click .
Click .
If Firefox is still open, you must close Firefox to proceed with the uninstall.
Click .
To remove other files and folders that may not be removed by the uninstall, you must manually delete the Firefox installation folder, which is located by default in C:Program FilesMozilla Firefox.
Close Firefox (if Firefox is open): Click the Firefox menu and select Exit.Click the Firefox menu at the top of the screen and select Quit Firefox.Click the Firefox menu and select Quit.
Click the Windows Start button or press the Windows key .
In the Start Menu, click Control Panel.
In the Control Panel window, click the Uninstall a program link under the Programs section.
From the list of currently installed programs, select Mozilla Firefox.
To begin the uninstall, click the button at the top of the list.
If the Mozilla Firefox Uninstall window does not open, you can start it manually by running helper.exe, which is normally found in one of these locations by default: C:Program FilesMozilla Firefoxuninstallhelper.exe C:Program Files (x86)Mozilla Firefoxuninstallhelper.exe
The Mozilla Firefox Uninstall window will open.
Close Firefox (if Firefox is open): Click the Firefox menu and select Exit.Click the Firefox menu at the top of the screen and select Quit Firefox.Click the Firefox menu and select Quit.
From the Start Screen, click the Desktop tile. The Desktop view will open.
From the Desktop, hover in the lower right-hand corner to access the Charms.
Select Control Panel from the Settings charm. The Control Panel window will open.
In the Control Panel window, click the Uninstall a program link under the Programs section.
From the list of currently installed programs, select Mozilla Firefox.
To begin the uninstall, click the button at the top of the list.
If the Mozilla Firefox Uninstall window does not open, you can start it manually by running helper.exe, which is normally found in one of these locations by default: C:Program FilesMozilla Firefoxuninstallhelper.exe C:Program Files (x86)Mozilla Firefoxuninstallhelper.exe
The Mozilla Firefox Uninstall window will open.
Close Firefox (if Firefox is open): Click the Firefox menu and select Exit.Click the Firefox menu at the top of the screen and select Quit Firefox.Click the Firefox menu and select Quit.
Click the Windows Start button or press the Windows key .
In the Start menu, select Settings.
In Settings, select System and then Apps & features.
From the list of currently installed programs, select Mozilla Firefox.
To begin the uninstall, click .
If the Mozilla Firefox Uninstall window does not open, you can start it manually by running helper.exe, which is normally found in one of these locations by default: C:Program FilesMozilla Firefoxuninstallhelper.exe C:Program Files (x86)Mozilla Firefoxuninstallhelper.exe
The Mozilla Firefox Uninstall window will open.
Note: Instead of uninstalling Firefox, you can try the Refresh Firefox option included in the uninstaller. This can fix many issues by restoring default settings and removing add-ons.
To continue uninstalling Firefox, follow these steps:
Click in the Mozilla Firefox Uninstall window.
The next window that opens will show the location of the Firefox program that will be uninstalled.
Click .
If Firefox is still open, you must close Firefox to proceed with the uninstall.
Click to complete the uninstall.
To remove other files and folders that may not be removed by the uninstall, you must manually delete the Firefox program folder from the location shown in the Uninstall Mozilla Firefox window (normally by default, C:Program FilesMozilla Firefox or C:Program Files (x86)Mozilla Firefox).
The uninstaller does not remove any user data such as history or bookmarks. If you wish to completely remove this data, you must manually delete the Firefox folder containing your user profile:
Click the Windows button and select Run….
Type in %APPDATA% in the Run prompt then click .
Open the Mozilla folder.
Delete the Firefox folder.
All Versions Of Firefox For Mac Catalina
Click the Start button or press the Windows key to open the Start Menu.
Type %APPDATA% in the search field and press enter to open the hidden Roaming folder.
Open the Mozilla folder.
Delete the Firefox folder.
From the Start Screen, click the Desktop tile. The Desktop view will open.
From the Desktop, hover in the lower right-hand corner to access the Charms.
Select the Search charm. The Search sidebar will open.
Type %APPDATA% in the search field and press enter to open the hidden Roaming folder.
Open the Mozilla folder.
Delete the Firefox folder.
Click the Start button or press the Windows key to open the Start Menu.
Type %APPDATA% (when you start typing, a Windows search will start) and press enter to open the hidden Roaming folder.
Open the Mozilla folder.
Delete the Firefox folder.
Versions Of Firefox For Mac
Alternatively, you can press the Windows key +R to open a Run dialog, type in %APPDATA%Mozilla and click to open the Mozilla folder, then delete the Firefox folder.
Firefox Download For Macs
Based on information from Uninstalling Firefox (mozillaZine KB)