Ghostery Ad & Tracker Blocker for Firefox

Sets you up for a private, transparent, and fast internet.

100+ million downloads across platforms

10+ years fighting for your privacy

Always open source

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Puts you back in the driver’s seat!

Ghostery stops trackers, ads, and popups in Firefox and keeps your personal data private and off the data brokers’ wallets. Your personal data is your business!

Privacy Protection

The Firefox Ad & Tracker blocker extension build by Ghostery takes things to the next level. Every ad, popup and tracker carry your personal information across the web. This data can be used to harm you anytime. By using Ghostery you protect your privacy.


Behind every website visit or search you make, trackers are recording and transmitting every step you take. Ghostery's Firefox tracker blocker extension neutralizes these trackers ensuring your peace of mind. Over the Tracker Panel, Ghostery displays the trackers that were identified and neutralized.

Speed & Focus

The more resources load on a website, the slower it gets. By decluttering the web, Ghostery's Firefox Ad blocker extension speeds up pages and avoids draining your internet bandwidth and battery.

Community Powered

Ghostery tracking protection is powered by many. Once a new tracker is detected by one of our users, everyone’s privacy improves. Our code is open source, everyone can investigate it. Browse the internet safer with Ghostery's Firefox Ad & Tracker blocker extension for mobile & desktop!


Engineered for privacy protection

Ghostery stops trackers on Firefox - blocks ads, cookies and popups - clicks you out of consent dialogues at each website visit.

Tracker Panel

Ghostery x-rays the web to display every tracker lurking behind the websites you visit.

To secure your privacy all trackers are neutralized. Your personal data are detached and replaced by random values, leaving data collectors in the dark about your identity.

Privacy Building Blocks

  • Anti-Tracking

    AI-driven technology neutralizing trackers’ ability to collect your personal data. Replacing it by random values it puts data brokers in the dark about your identity and sends a personal message of tracking being unacceptable.

  • Ad-Blocking

    Removes all advertising and promotional content from the websites you visit, leaving you with a clutter-free, focused view on information. The less resources load on a page, the faster it gets.

  • Never-Consent

    Clicks you out of all consent dialogues in favor of never tracking. This unequaled feature adds convenience to each website visit and acts like your globally active privacy advocate towards content providers.


You’re in control!
Block or unblock individual trackers as you see fit. Reasons are up to you! Ghostery always acts in the interest of keeping your personal data private!

Firefox Ad Blocker FAQs

Does Firefox have an ad blocker?

Built-on ad blockers such as Ghostery work far better than Firefox’s in-built ad blocker. However, the browser does come with an in-built ad blocker. 

How do I stop all online ads on Firefox?

You can simply add an ad blocker extension to stop all online ads on Firefox, or you can enable the “block pop up windows” option on Firefox. However, Ghostery’s ad blocker is far more robust. 

What is the safest free ad blocker?

At Ghostery, we offer one of the safest free ad blockers. Our ad blockers are easy to download and use, so you can browse the web as safely as possible!

What is the best ad blocker for Firefox?

Ghostery’s ad blocker for Firefox is one of the best ad blockers currently on the market. Our ad blocker is safe, effective and free to use. 

Firefox Tracker blocker FAQ

Can Firefox block trackers?

While Firefox does allow you to block trackers using its enhanced tracking protection feature, Ghostery offers you a more robust service to block trackers.

How do I block online trackers?

Simply download our ad and tracker blocker for Firefox as an add on extension and you’ll be able to quickly block online trackers. Our AI tracker replaces your details with random values - making sure that your personal data is untrackable. 

How do I stop Google tracking in Firefox?

While you can block specific website trackers on Firefox, it is far easier to download Ghostery to ensure that all online trackers are blocked and your personal information is kept private. 

Do tracker blockers work?

Yes! Tracker blockers work. We offer an extension for your browser and our tracker blocker stops websites from tracking you across the web. 

How do I stop websites from tracking me?

The easiest way to stop websites from tracking you is to download a free browser extension like Ghostery. Our tracker blocker stops websites from collecting your personal data and tracking your movements across the web.