Welcome to Mozilla
From trustworthy tech to policies that defend your digital rights, we put you first — always.
Love the internet again
Break free from big tech — our products put you in control of a safer, more private internet experience.
- Firefox: Get the gold standard for browsing with speed, privacy and control.
- Thunderbird: Go chaos-free with one app for all your emails, calendars and contacts.
- Mozilla VPN: Keep your location and online adventures private — stream like a local, anywhere.
- Mozilla Monitor: Get a heads-up if your personal info is at risk and lock it down like a pro.
- Firefox Relay: Mask your email and phone number so you only get the messages you want.
- 0DIN: Secure your AI by finding and fixing GenAI vulnerabilities before attackers do.
- Tabstack: Reliably automate web tasks with a simple developer-focused API.
Build A Better Future
Whether you’re building AI for the problems that big models miss. Or you have an idea that’s too early or too ambitious for traditional funding. Mozilla Foundation wants to hear from you. We’re backing builders with funding, expert coaching and a cohort of exceptional peers, so you can build on your own terms.
We’re imagining a future worth building. Join us.
Explore issues shaping the technology landscape
Open Source AI Is Winning
Our inaugural report looks at where open AI is closing the gap and where it is exposed.
Read the report
State of Mozilla
We’re at a crossroads for the future of technology, with Big AI companies consolidating power. The 2025 State of Mozilla report is an invitation to choose a different future together.
AI for the people
Our mission is to make it easy for people to build with, and collaborate on, open-source, trustworthy AI.
The Internet You Loved Is Still Here
Firefox is a browser that lets you opt in or out of AI. You choose the features that work for you.
Read more
AI Datasets In 450 Languages
Mozilla Data Collective is a global data-sharing platform. Share on your own terms, to solve real problems.
Join today
AI That Feels Like Yours, Because It Is
Thunderbolt is an open source AI workspace that lets you tailor AI to your needs without sacrificing independence.
Try it
Open Source AI For Everyone
Mila and Mozilla announce new initiative to build trustworthy Open Source AI for everyone, with Canadian government support.
Learn more
Any Model In 5 Minutes
Otari helps companies run on any model and keep on top of costs. See what drives spend and cap it before it runs over.
Get started
Got An Early-Stage Startup?
Pitch to Mozilla Ventures and secure funding to drive positive change for the future of AI and the internet.
Read more
Latest News
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TypeTopicIntro
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ArticleArtificial IntelligenceMozilla President: meet the open source ‘rebel alliance’ that could break Big Tech’s grip on AI
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ArticlePrivacy & SecurityIt’s the End of the Internet As We Know It
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ArticleNewsAI summit in India pushes a 'third way' between US and China
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ArticleProductsMozilla throws Thunderbolt at enterprise AI providers
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ArticleNewsFed up with Big Tech, communities turn to data collectives for control
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VideoProductsWhy Firefox is Letting You Turn Off AI