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
Pocket

Listen is a new way to read with Pocket

With Pocket’s enhanced listen feature, you can read or listen to content on the go.
News

Firefox on The Cheddar

We want to be there to help protect you in your web experience — Denelle Dixon on why we built enhanced tracking protection into Firefox.
Firefox

Latest Firefox rolls out Enhanced Tracking Protection

Get the power to block third-party cookies and effectively stop the most common form of cross-site tracking.
Security

Data Leeks: Recipes for online privacy

Not convinced that a data breach could have real, personal implications? These stories might change your mind.
Firefox

Browser hijacking explained

A browser is hijacked by software that has been installed on your system, sometimes intentionally and sometimes without your knowing it.

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
Emerging Technologies

Mixed reality data and consent

New kinds of data generated by mixed reality devices present an opportunity to change the conversation about permissions and consent.
Firefox

Save a step when you’re searching

Quick and savvy web users know love the multiple ways you can get to search from within Firefox.
Grants

Keeping AI accountable

Meet the Creative Media Awards recipients whose projects use art and advocacy to highlight the unintended consequences of AI.
Grants

Ethics in computer science competition

Up to $3.5 Million in prizes will be awarded. Initial Funding Concepts for Stage 1 are being accepted now through December 13, 2018.

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
Rapid Fire

Even better privacy protection

Enhanced Tracking Protection in Firefox, plus blocking fingerprinters and abusive cryptocurrency mining in future releases.
Grants

Women Startup Challenge Europe

Women-led startup finalists from across Europe pitched their ventures before a panel of tech industry executives. Here are the winners.
Emerging Technologies

Firefox Reality gets recline mode

Now available for download in the Viveport, Oculus and Daydream app stores.
Firefox

Get the new Firefox Focus

The latest version comes with search suggestions, revamped visual design and an under-the-hood surprise for Android users.
Community

Show support for Firefox with badges

If you’re a Firefox user and want to show your support, we’ve made a collection of badges you can add to your website.
Developers

Are you a developer?

Get the latest features, fast performance and the development tools you need to build for the open web with Firefox Develop Edition.

Open source.
Open minds.

Mozilla creates powerful web tech for everyone.

Explore Mozilla technology
Internet Health

Data Detox for a healthier digital life

With data breaches, creepy ads following you, and years of photos on social media, now is the time for a Data Detox to regain control.
Security

Tips to boost your digital security

There is little you can do to prevent a data breach. However, there is plenty you can do to protect yourself in anticipation of one.

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