Internet for people, not profit

Firefox

Fast. Private. Fearless.

Firefox fights for you.

Download Firefox — English (US)

Your system may not meet the requirements for Firefox, but you can try one of these versions:

Download Firefox — English (US)

Your system doesn't meet the requirements to run Firefox.

Your system doesn't meet the requirements to run Firefox.

Please follow these instructions to install Firefox.

Firefox Privacy Notice

Firefox fights for you.

Fast. Private. Fearless.

Firefox fights for you.

Download Firefox — English (US)

Your system may not meet the requirements for Firefox, but you can try one of these versions:

Download Firefox — English (US)

Your system doesn't meet the requirements to run Firefox.

Your system doesn't meet the requirements to run Firefox.

Please follow these instructions to install Firefox.

Firefox Privacy Notice
Security

Protect yourself with Firefox Monitor

Find out what hackers already know about you and get alerts when data breaches put you at risk.
News

Bloomberg: Pocket’s 30M users are great for publishers

Mozilla’s focus on leisurely reads is aimed at publishers burned by Facebook. It’s paying off: Traffic is already up 75 percent this year.
Video

Our privacy philosophy explained

These five principles guide how we put people first when we make products, manage data and advocate for policies.
Podcast

IRL: Paid attention

There’s a new currency in town (and no, we’re not talking about Bitcoin). We’re talking about attention. Tune in to IRL.
Privacy

Make your browser a privacy superpower

Customize your Firefox with these privacy extensions so you can browse knowing your personal data is safe.

More power to you.

We’re the not-for-profit behind products, technologies and programs that make the internet healthier for everyone.

Learn more about us
Test Pilot

Advance offers real-time recommendations

With the latest Firefox experiment, Advance, you can explore more of the web based on your current page and your most recent web history.
Pocket

Fresh front page, every time

We’ve made it faster and easier for you to find things that are important to you whenever you open a new tab in Firefox.
Emerging Technologies

An invisible tax: Video codecs

Here’s a surprising fact: It costs money to watch video online, even on free sites like YouTube. The open-source AV1 codec could change t...
Internet Health

Attention economy to addiction economy

As we depend more on our connected devices, it’s increasingly clear that there’s a dark side to the technology we use every day.

Support a healthy internet.

Open-source apps. Web literacy curriculum. Guides for fostering gender equality.

Visit the Mozilla Foundation
Privacy

Seven apps that put privacy first

Here are seven apps and services that are committed to your privacy and security, including search engines, email providers and more.
Rapid Fire

Marshall Erwin talks trust and security

Get Marshall’s take on why security, privacy and trust matter so much at Mozilla and Firefox.
Partners

WeTransfer keeps community at heart

WeTransfer, the independent file transfer and sharing service, makes file-sharing easy in Firefox while keeping user privacy at heart.
Guest: Alyssa Bereznak

Gamification and the attention economy

The Ringer’s Alyssa Bereznak shares her insights into tech’s race for our attention and how gamification keeps us hooked.
Guest: Nick Briz

This is your digital fingerprint

Chicago-based teacher and activist Nick Briz explains how people are tracked, surveilled and monetized on the web.
Guest: Laurie Davis Edwards

How the web changed dating forever

There is a rise in the desire for perfection in relationships, except except it takes more than a quick swipe right to get it perfect.

Open source.
Open minds.

Mozilla creates powerful web tech for everyone.

Explore Mozilla technology
Privacy

Get your game on, in the browser

The web could be the best platform for gaming, and Firefox is the the best browser for gaming. Here’s why.

Mobile

Firefox Focus rolls out new features

Find in page, desktop view and biometric access make Focus smarter than ever. Available for iOS, Android and now the BlackBerry Key2.

Supporting a healthy internet is easy.

Get started by browsing with Firefox powered by Mozilla.

Download Firefox — English (US)

Your system may not meet the requirements for Firefox, but you can try one of these versions:

Download Firefox — English (US)

Your system doesn't meet the requirements to run Firefox.

Your system doesn't meet the requirements to run Firefox.

Please follow these instructions to install Firefox.

Firefox Privacy Notice