Mozilla Firefox

Protect Your Privacy

When you browse, you leave a trail of data that potentially contains all sorts of personal information. We believe this info belongs to you and you alone (and least of all to overzealous advertisers), and have built in features to ensure that’s the case.

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  • Do Not Track

    Many sites track your online behavior and sell that data to advertisers. Firefox lets you tell sites that you want to opt out of behavioral tracking. Learn how.

  • Private Browsing

    Sometimes it’s nice to go undercover, so turn this feature on and protect your browsing history. Learn how.

  • Clear Recent History

    Clear all your private data or just your most recent activity with a few quick clicks. Learn how.

  • Forget This Site

    Having second thoughts about having visited a certain site? Remove every trace of ever having been there! Learn how.

  • Content Security Policy

    Firefox lets sites explicitly tell it which content is legitimate, thus protecting you from cross-site scripting attacks.

Browse With Security

Whether it’s buying a gift, paying your bills or simply signing in to Facebook, it’s important keep your personal info out of the hands of any online bad guys who might be snooping around. Fortunately, Firefox is packed with advanced security features to help you stay safe.

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  • Instant Website ID

    A color-coded system makes it easy to check on suspicious sites and avoid Web forgeries. Learn more.

  • Anti-Phishing & Anti-Malware

    Firefox protects you from trojan horses and spyware, and warns you away from fraudulent sites.

  • Secure Software Installation

    A secure connection is required before you can install add-ons and other 3rd party software.

  • Anti-Virus Integration

    Firefox integrates elegantly with your computer’s anti-virus software whenever you download.

Stay In Control

The online world is always changing, which is why we give you easy-to-use tools to let you adapt and make smart choices as you go.

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  • Plugin Check

    Outdated 3rd party plugins can be a major risk, so we made it easy to find out what to update. Check your plugins.

  • Parental Controls

    Enforce parental control settings you’ve entered on Windows 7 to stop unwanted downloads and more.

  • Customized Security Settings

    Control the level of scrutiny you’d like Firefox to give a site with a variety of customized settings. Learn how.

It’s Part of Our Mission

Mozilla is a non-profit organization with the goal of making the Web better for everyone. We’re not trying to make money off our users – we just want you to have the best possible experience online, and that includes keeping you and your personal information safe and private.

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  • Commitment to Your Privacy

    Firefox adheres to a strict privacy policy that prevents us from tracking who you are or what you do online. Read the policy.

  • The Mission Matters

    Our mission guides the way we make Firefox, meaning we always make decisions based on your needs first. Learn more.