• Mozilla Version 32
• Mozilla Version 48

The version number is listed underneath the Firefox name. Here is an example of what the About Firefox window will look like: Opening the About Firefox window will, by default, start an update check. If an updated version of Firefox is available, it will be automatically downloaded. 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.

The main projects on mobile are Firefox and Focus, on both Android and iOS. For more information about Mobile development, see the get involved page.

Focus

Focus is a lightweight browser on both Android and iOS that automatically blocks a wide range of ads and online trackers. It makes it easy to erase history, passwords and cookies, so users aren't followed by things like unwanted ads.

Mozilla Firefox Overview. Firefox is an open-source, privacy-conscious, lightweight, fast browser. It has everything you want or need from a browser, such as bookmarks, tabbed pages, a URL and a search bar. There are a lot of customization options, add-ons, and a very active user forum where you can have any questions answered. Firefox Features. Mozilla Firefox® is a fast, full-featured web browser that's easy to use. It has lots of great features including popup-blocking, tabbed-browsing, integrated search, improved privacy features, automatic updating and more. Plus, thanks to the PortableApps.com launcher bundled in the Mozilla Firefox, Portable Edition, it leaves no personal information behind on the machine you.

Firefox

Firefox is a full-featured web browser developed by Mozilla for both Android (codename 'Fennec') and iOS.

Bringing Firefox to mobile phones is the next step towards fulfilling Mozilla’s mission of providing access to one Web that everyone can access, regardless of device or location. The overall goals for Firefox on mobile are:

• Provide a platform for developers to create compelling content and applications using the latest Web technologies like HTML5, CSS and JavaScript.
• Deliver an exceptional mobile experience to users, complete with the performance, personalization and security they expect.
• Do all of this work in the shared Mozilla source repositories so all platforms, desktop and mobile, benefit each other.

For more background on our goals please see these blog posts. Still have questions? See our Mobile FAQ.

GeckoView

GeckoView is Firefox's engine, packaged as a reusable Android library.

Mozilla uses GeckoView to power Firefox Reality, Firefox Focus, and more.

The blog post Firefox Focus with Gecko View provides some additional background on GeckoView's development.

Mozilla Version 32

Mobile Web Compatibility

Some Web sites are coding for very specific browsers. It creates Mobile Web Compatibility issues for Firefox for Android. You can help Mozilla solve these issues.

Mobile Marketing Automation

Mozilla Version 48

In order to improve engagement with users, Firefox uses an external tool called Leanplum. For details about currently running campaigns, please visit Leanplum Contextual Hints page.

All versions

Firefox is a free, easy-to-use web browser for Windows.
Main features:
- Access and organize your favorite webpages easily with bookmarks and tabs.
- As you type in the address bar, Firefox suggests websites you've visited, bookmarked or tagged.
- Firefox stores your personal information and settings in a profile folder.
- The Downloads panel and Library keep track of files you download.
- The Full Screen feature lets you expand the Firefox browser to fill up your whole screen.
- Firefox automatically checks your spelling as you type.