Learn more about Firefox, its history, features and mission
Firefox FAQ
Firefox fights for you on Windows
Easy migration of preferences and bookmarks when you download Firefox for Windows.
Firefox respects your privacy on Mac.
Firefox doesn’t spy on searches. We stop known third-party tracking cookies and give you full control.
Firefox for Linux
New school meets old school with the fastest browser yet.
Firefox for Windows 64-bit
We worry about your data safety so you don’t have to.
The history of web browsers
Firefox has been there since almost the beginning.
What is a web browser?
A web browser takes you anywhere on the internet, letting you see text, images and video from anywhere in the world.
Update your browser to fast, safe and secure Firefox.
The Firefox browser is built to protect your privacy at every turn — because that’s the fastest way to free you from slow loads, bad ads, and trackers.
Choose which Firefox Browser to download in your language
We believe everyone should have access to the internet — that’s why we make the Firefox Browser available in more than 90 languages with the help of dedicated volunteers around the world.
Firefox Browser for Chromebook
While a Chromebook already has Chrome installed, downloading and using Firefox as your go-to browser provides you with a few benefits
Firefox Quantum
Firefox Quantum was a revolution in Firefox development. In 2017, we created a new, lightning fast browser that constantly improves. Firefox Quantum is the Firefox Browser.
Take your passwords everywhere
Securely access the passwords you’ve saved in Firefox from anywhere — even outside of the browser.
Firefox: Rebel with a cause
Firefox is independent and backed by the not-for-profit Mozilla, which fights for your online rights and makes the internet accessible to everyone, everywhere.
Little Book of Privacy
You can reclaim your privacy and gain back control over your very own internet experience! It’s actually surprisingly easy. Everyone can do it.
Incognito browser: What it really means
Firefox calls it private browsing, Chrome calls it incognito mode. Both let you browse the web without saving your browsing history.
The ad blocker – a secret weapon against annoying ads.
So many ads, so little patience… It’s time to stop the madness.
Firefox: More protection. Less worry.
We’re obsessed with protecting your privacy. That’s why we’ve made Firefox Private Browsing more powerful than the others.
Take the stress out of finding a safe browser.
Building a safe browser is an art and a science because there are no set rules.
Firefox Sync
Access and sync your bookmarks, passwords, open tabs and more — everywhere you use Firefox.
Seven of the best browsers in direct comparison
We compare Firefox with Chrome, Edge, Safari, Opera, Brave and Internet Explorer to help you make your decision.
Comparing Firefox Browser with Google Chrome
Big isn’t always best. Choose independence instead.
Comparing Firefox Browser to Brave
Be bold and courageous when choosing which browser is right for you.
Comparing Firefox Browser with Microsoft Edge
You’ll never guess which browser has the edge when it comes to speed and features..
Comparing Firefox Browser with Microsoft Internet Explorer
Old habits that die hard but you’ll feel better when they do.
Comparing Firefox Browser with Apple Safari
You don’t have to default to your standard browser.
Comparing Firefox Browser with Opera
Be free to sing the praises of Firefox whenever you want.
Fingerprinter Blocking
Fingerprinting is a type of online tracking that’s more invasive than ordinary cookie-based tracking — that’s why Firefox Browser blocks it.
Translate the web
Translate more than 100 languages to your language directly in your Firefox Browser - easier than ever.
A guide to safer logins and passwords
More and more of the sensitive, valuable things in our life are guarded by passwords.
Avoid misinformation online – Firefox is here to help
Check out tips for seeing less misinformation and focusing on what’s important to you.
Follow @Mozilla

Follow @Firefox
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