Explore “Firefox”

News articles, tutorials, add-ons and other miscellaneous tips for the Mozilla Firefox Web Browser.

Firefox logo wrapped inside of the Copilot AI logo.

Firefox Adds CoPilot Chatbot, New Tab Widgets in Nightly Builds

Firefox Nightly builds add CoPilot to the chatbot sidebar, expanding the browser's range of third-party AI service integrations. Plus: new New Tab Page widgets.

5 September 2025

Google Can Keep Paying for Firefox Search Deal, Judge Rules

US judge in antitrust case rules Google can keep paying Mozilla and other companies for default search placement, but bans exclusive contracts.

2 September 2025

Firefox’s On-Device AI Features Now Up to 10x Faster

Mozilla replaces slow WebAssembly with native C++ for Firefox AI features, netting faster performance for features like Smart Tab Groups and alt-text generation.

29 August 2025
Abstract graphic with the Zen browser logo (dark square with concentric circles), against a collage of images and text.

Zen Browser — What Mozilla Firefox Should Be?

Zen Browser is a Firefox fork that rethinks modern web browsing with vertical tabs, split views, and a clean way to open new tabs — all without AI gimmicks.

25 August 2025
Firefox logo with a white outline centred on a colourful gradient background.

Firefox Web App Support Available to Test (on Windows, At Least)

Firefox web app support is on the way, and a recent stable build gives users on Windows an early chance to test it out for running websites as windowed apps.

24 August 2025
Firefox logo in front of white 142 numbers; blue background.

Firefox 142 Adds New Tab Topics, Local AI in Extensions + More

Firefox 142 lets US users curate stores on the new tab stories by topic and lets web extensions use local AI models, among other changes. Highlights inside.

18 August 2025

Updated: Mozilla Slammed Over Battery-Draining “Garbage” AI in Firefox

Firefox's new AI tab groups is causing high CPU usage and battery drain. Find out why users are complaining and how to disable the feature.

10 August 2025

Firefox Add-Ons Website Revamps Listing Pages

Firefox Add-Ons are a crucial element of this open source browser, and finding good ones that work well, important. A design change aims to help.

29 July 2025
Firefox logo in front of white 141 numbers; red background.

Firefox 141 Adds AI Tab Grouping, Reduces Memory Use on Linux

Firefox 141 is out, featuring AI-powered tab groups, lower memory usage on Linux, a new unit converter, and expanded PiP support. See what's new.

21 July 2025
While text "140" and the Firefox logo.

Firefox 140 Brings Tab Unload, Custom Search & New ESR

Firefox 140 released with tab unloading, custom search engines, and more. ESR users gain major new features like tab grouping and vertical tabs.

24 June 2025

Mozilla Axes its AI-Generated Text Detector Add-On

Mozilla Fakespot Deep Fake Detector shuts down on June 26 2025. It says it's to save money, but is it a sign Mozilla is moving away from its original ideals?

19 June 2025

Mozilla Kills Off Orbit, Its AI Add-On for Firefox

Orbit, Mozilla's AI assistant add-on for its Firefox web browser, is being discontinued as most of its features are now available natively.

9 June 2025