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  1. Get Firefox — Firefox - Mozilla

    Firefox protects your privacy automatically, with built-in tracker blocking from the start. You stay protected by default, without extra steps. Take your tabs, history, and passwords wherever you go. …

  2. Mozilla - Internet for people, not profit (US)

    Mozilla Foundation is building a future where technology is powered by people, and open by design. That’s why we fuel community-centered tech through advocacy, education, funding, and innovation …

  3. Mozilla Firefox - Free download and install on Windows | Microsoft Store

    Choose the browser that prioritizes you, not their bottom line. Don't settle for the default browser. When you choose Firefox, you protect your data while supporting the non-profit Mozilla Foundation, whose …

  4. login.mozilla.com

    Portions of this content are ©1998–2026 by individual mozilla.org contributors. Content available under a Creative Commons license.

  5. Mozilla is working on a big Firefox redesign, here is what it looks ...

    4 days ago · Mozilla has embarked on yet another redesign for Firefox, codenamed "Nova," and here is your first look at what it could look like when it releases.

  6. Anthropic Finds 22 Firefox Vulnerabilities Using Claude Opus 4.6 AI …

    3 days ago · Anthropic’s Claude Opus 4.6 AI found 22 Firefox vulnerabilities, including 14 high severity, helping Mozilla patch flaws in Firefox 148.

  7. Partnering with Mozilla to improve Firefox’s security

    5 days ago · AI models can now independently identify high-severity vulnerabilities in complex software. As we recently documented, Claude found more than 500 zero-day vulnerabilities (security flaws that …

  8. Download Firefox for Windows — Firefox

    Since 2004, Firefox has been the independent choice. Get organized. Stay organized. Browse smarter with vertical tabs, tab groups, sidebar access, PDF editing and AI chat.

  9. Internet for people, not profit — Mozilla Global

    Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.

  10. Mozilla says Claude AI uncovered over 100 Firefox bugs in just two ...

    3 days ago · Mozilla is now working with Anthropic's Frontier Red Team to identify and patch potentially dangerous security vulnerabilities in Firefox. According to Mozilla, the AI company approached them...