Download Firefox

Firefox is no longer supported on Windows 8.1 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox is no longer supported on macOS 10.14 and below.

Please download Firefox ESR (Extended Support Release) to use Firefox.

Firefox Privacy Notice

Advertise with Mozilla

Reach unique audiences while protecting your brand’s safety and your users’ privacy with the Mozilla network.

Firefox

Firefox stands as the most trusted alternative to default browsers, driven by a mission to ensure the internet is a global public resource — open and accessible to all.

With 200M monthly users, Firefox allows advertisers to drive performance in a customized, brand-safe environment. Your brand will be showcased alongside top-tier, curated content from top publishers. Firefox’s New Tab experience offers unique, seasonal and contextual opportunities to reach users in more meaningful ways — far removed from the noise of entertainment-heavy outlets.

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Mozilla Developer Network

The go-to resource for millions of engaged web developers monthly, providing open-source documentation on a number of reference and educational topics such as HTML, JavaScript, CSS and Web APIs.

We offer a variety of contextual placements throughout the site as well as exclusive opportunities for prominent homepage visibility, giving advertisers a unique way to capture this valuable audience’s attention.

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Fakespot

Fakespot — a top 10 shopping browser extension worldwide — helps consumers spot unreliable reviews while shopping online.

It provides detailed insights and breakdowns of review authenticity, highlighting risks of fraudulent or manipulated reviews, while also providing users with alternative products with more reliable reviews when available.

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Pocket

The Pocket Hits newsletter provides premium editorial content delivered directly to users’ inboxes. Our mission is to enable users to enjoy articles from around the web on their own schedule – saving content to personal libraries that can be accessed whenever and wherever.

Our editor-curated newsletter highlights popular Pocket stories and saves the second placement for your brand.

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