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

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
Firefox

Get the Firefox U.S. Election Bundle

Decode political ad targeting and keep Facebook off your back.
Video

When did the truth become so subjective?

The truth is out there, and we have the ability to vote and shape our world based upon it.
Get involved

Election Day is almost here

Check your voter registration status to make sure you’re ready for Nov. 6.
Podcast

IRL: What to expect when you’re electing

Veronica Belmont and Baratunde Thurston examine how the internet is changing our minds, our votes and democracy itself.
Pocket

Read Pocket’s Election Section

Here’s an easy way to follow the election, curated by Pocket.

More power to you.

Mozilla puts people before profit, creating products, technologies and programs that make the internet healthier for everyone.

Learn more about us
Internet Health

Why fair elections need responsible tech

For democracy to thrive in the internet era, we need technology that respects rules and privacy.
Guest: Alexios Mantzarlis

Nothing is as simple as it looks

Misinformation is a complicated problem facing media, publishers and consumers around the world.
Guest: Dipayan Ghosh

Microtargeting and our politics

Dipayan Ghosh explains how we are sliced, diced and served up to political operations on social media.

Guest: Genevieve Valentine

Hello, I’m your election

We invited science fiction and fantasy author Genevieve Valentine to describe elections in the future.

Support a healthy internet.

The not-for-profit Mozilla Foundation supports open-source apps, web literacy curriculum, gender equality in tech and more.

Visit the Mozilla Foundation
Security

Protect yourself with Firefox Monitor

Check your email address against known data breaches and sign up to be alerted if it happens in the future.
Emerging Technologies

Firefox Reality

Explore the immersive web with Firefox Reality on Viveport, Oculus and Daydream.
Emerging Technologies

Firefox Reality Developers Guide

Mozilla’s VR web browser is getting closer to release. Let’s talk about how to make your experiences work well in this new browser.
Firefox

Side View is in a league of its own

Side View makes it easier to tackle game analysis, roster changes and player trades, all in one window.
Developers

Box begone

Make your web layouts bust out of the rectangle with the Firefox Shape Path Editor.
Emerging Technologies

Kudos for Common Voice

Common Voice was honored as a Finalist in the Experimental category in Fast Company’s 2018 Innovation by Design Awards.

Open source.
Open minds.

Mozilla creates powerful web tech for everyone.

Explore Mozilla technology
Rapid Fire

Data, privacy and business practices

Rebecca Weiss is deep in the data and the decisions Mozilla makes about it. Her team’s role in a nutshell: find value in data.
Privacy

Here’s what we think about privacy

At Firefox our privacy philosophy guides how we put people first when we make products, manage data and advocate for policies.

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