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Firefox

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Firefox is a free web browser. A browser is a tool used to see web pages.

Firefox 146.0.1 on Windows 11 screenshot
Firefox 146.0.1 on Windows 11 screenshot

It was made by the Mozilla Foundation. The project began in 2002. At first, it was called Phoenix. Later, it was called Firebird. Finally, it became Firefox. This name comes from a nickname for the red panda.

Firefox mascot - FISL 16
Firefox mascot - FISL 16

Firefox uses a tool called the Gecko engine. This engine helps show web pages on your screen. It works on Windows, macOS, and Linux. You can also use it on Android and iOS phones.

Firefox 136 screenshot, macOS Sonoma
Firefox 136 screenshot, macOS Sonoma

On iOS, it uses a different engine called WebKit. This is because of rules for that system.

Many people use Firefox for its features. It has tabs to open many pages at once. You can also add "add-ons." These are extra parts that give the browser new skills. In 2017, a big update called Quantum arrived. It used new ways to make the browser faster.

StatCounter-browser-ww-yearly-2009-2025
StatCounter-browser-ww-yearly-2009-2025

This update helped it work better on modern computers.

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🖼️ Images & Media (9)
File:Acid3 Mozilla Firefox test.png
Acid3 Mozilla Firefox test.png
File:Phoenix 0.1.png
Phoenix 0.1.png
Firefox 146.0.1 on Windows 11 screenshot.webp
File:Firefox 136 screenshot, macOS Sonoma.png
Firefox 136 screenshot, macOS Sonoma.png
Firefox 145.0 on Linux screenshot.webp
Firefox 136 on Fedora 41, browsing the...
File:Firefox for iOS 144 screenshot.png
Firefox for iOS 144 screenshot.png
File:Firefox mascot - FISL 16.jpg
Firefox mascot - FISL 16.jpg
File:StatCounter-browser-ww-yearly-2009-2025.png
StatCounter-browser-ww-yearly-2009-2025.png
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