The Mozilla Blog

Mozilla has promoted Anthony Enzor-DeMeo to General Manager of Firefox. Since joining Mozilla in December 2024, Anthony has played a pivotal role in evolving Firefox's strategy and championing a user-first approach to product development. His leadership has helped sharpen Firefox's focus in a fast-changing internet landscape, ensuring the browser remains both technically strong and mission-aligned. [...]The post Anthony Enzor-DeMeo promoted to General Manager, Firefox appeared first on The Mozilla Blog.

Part I in Anonym's Rewiring the Rules Series First-party data - the kind users share willingly with brands they trust - is a marketer's most valuable and precious asset. But often, when it comes time to activate that data in the form of an advertising campaign, marketers are forced into trade-offs that create real risks. [...]The post A first-party data reality check appeared first on The Mozilla Blog.

A new series exploring the connection between data protection and performance. The digital advertising industry is in a period of meaningful data use transition. An ecosystem that has fostered third-party cookies, device IDs, cross-site tracking, and more is reorienting. Data privacy regulations are evolving and expanding. Consumers, quite reasonably, are concerned with who is sharing [...]The post Let's talk about data control appeared first on The Mozilla Blog.

Before Firefox ever shows up on your screen in your language, from the menus to the messages to the welcome page, it passes through the hands of passionate volunteers around the world. Our volunteers are teachers, students, coders, creatives, and more. This is a global network - some live in big cities, others in small [...]The post How Firefox speaks your language, with help from volunteer localizers around the world appeared first on The Mozilla Blog.

We've all been there: a notification pops up, and suddenly we're responding - even if it completely derails our focus. It feels automatic, but it's rarely just about the task at hand. As a staff product researcher on the Firefox mixed methods team, I wanted to understand why multitasking feels so hard to resist. It [...]The post Why we can't stop multitasking appeared first on The Mozilla Blog.

Here at Mozilla, we are the first to admit the internet isn't perfect, but we know the internet is pretty darn magical. The internet opens up doors and opportunities, allows for human connection, and lets everyone find where they belong - their corners of the internet. We all have an internet story worth sharing. In [...]The post Tiffanie Barriere browses like she bartends (with soul, sass and a splash of magic) appeared first on The Mozilla Blog.

Firefox is expanding its AI-powered features, all designed to keep your data private. We believe technology should serve you, not monitor you. Our team understands the importance of privacy, especially as AI rapidly integrates into our daily lives. Firefox protects your privacy by running AI models directly on your device, ensuring your sensitive data remains [...]The post Your data, your rules: Firefox's privacy-first AI features you can trust appeared first on The Mozilla Blog.

Here at Mozilla, we are the first to admit the internet isn't perfect, but we know the internet is pretty darn magical. The internet opens up doors and opportunities, allows for human connection, and lets everyone find where they belong - their corners of the internet. We all have an internet story worth sharing. In [...]The post The Great British Bake Off's Janusz on CakeTok and queer joy appeared first on The Mozilla Blog.

Most travel plans start with a handful of tabs. A map here, a few guides there. Then a flurry of bookings, logins and maybe a PDF form you're supposed to sign with your finger. Next thing you know, you're in line at the car rental counter with 3% battery, no confirmation number, and no address [...]The post Firefox features that help you plan a trip (and take it) appeared first on The Mozilla Blog.

What if you could increase conversations - without collecting more data? You've probably been told you need to collect more data to get better results. But with smarter tools and better technology, privacy isn't a tradeoff, it's a feature. Anonym makes it possible to measure real performance without complex integrations - just drag and drop [...]The post Performance doesn't have to come at the cost of privacy appeared first on The Mozilla Blog.

Most people use whatever browser comes pre-installed. But your browser default shapes your online experience more than you realize. At SXSW London, we're asking: What does real choice look like on today's internet, and who's still building for it? In this live conversation, Mozilla CEO Laura Chambers will share how AI-powered feeds, platform lock-in, and [...]The post What happens when you don't choose your browser? Let's talk about it at SXSW London appeared first on The Mozilla Blog.

Firefox's address bar just got an upgrade, and it's all about putting you in control. It's faster, easier to use and built to support how you search and browse - while staying true to what makes Firefox, Firefox: real user choice, strong privacy and transparency. Built to help you search faster and get things done [...]The post A smarter, simpler Firefox address bar appeared first on The Mozilla Blog.

As a product manager for Firefox, one of the areas I'm most passionate about is accessibility. This is not only because I'm a disabled person myself, but also because I've seen firsthand that building in accessibility from the beginning results in better outcomes for everyone. Our new profile management feature is a great example of [...]The post Shifting left' for better accessibility in Firefox appeared first on The Mozilla Blog.

Ever thought, I wish I could try that new Firefox feature early?" Good news - we've been trying out new features and now, you can try them out, too. Firefox Labs is our space for sharing experimental features with our community before they're fully baked. It's a chance to play around with new ideas, tell [...]The post Jump into Firefox Labs: A place to try new features and help shape Firefox appeared first on The Mozilla Blog.

Open a web browser and you step into a garden of forking paths - where news, messages, memes, work, learning and cat videos all compete for your attention. Every click sprouts another tab. Before you know it, your author has opened 68,000 tabs in one year alone, while some people manage to keep 7,000 tabs [...]The post Tackle tab overload with Firefox Tab Groups appeared first on The Mozilla Blog.

What happens when 4,500 people ask for the same feature? At Firefox, we build it. Tab groups have long been the most requested idea on Mozilla Connect - our community platform - and thanks to thousands of votes, comments and passionate feedback, it's finally here. But this is more than just a feature launch. [...]The post You asked, we built it: Firefox tab groups are here appeared first on The Mozilla Blog.

Easy-to-follow guides on how to transcribe audio files into text using privacy friendly tools and how to convert different documents into a singular format. Watch the live demo here. As concerns around AI transparency grow, datasets remain one of the least visible and least standardized parts of the pipeline. Many are assembled behind closed doors, [...]The post Mozilla, EleutherAI launch toolkits to help AI builders create open datasets appeared first on The Mozilla Blog.

Together, Mozilla and Anonym are proving that effective advertising doesn't have to come at the cost of user privacy. It's possible to deliver both - and we're building the tools to show the industry how. Today, we're unveiling Anonym Private Audiences: a confidential computing solution allowing advertisers to securely build new audiences and boost campaign [...]The post Ads performance, re-imagined. Now in beta: Anonym Private Audiences. appeared first on The Mozilla Blog.

Ever opened a bunch of tabs only to realize none of them have what you need? Or felt like you're missing something valuable in a maze of hyperlinks? In Firefox Labs 138, we introduced an optional experimental feature to enhance your browsing experience by showing a quick snapshot of what's behind a link before you [...]The post Exploring on-device AI link previews in Firefox appeared first on The Mozilla Blog.

The CEO of Mozilla, Laura Chambers, provided insights about the U.S. v. Google LLC case on search competition ahead of the trial slated to begin April 21, 2025. As the CEO of Mozilla, I often have conversations about the future of this company. Most times these conversations are tied to how we build a better [...]The post Mozilla's CEO weighs in on U.S. v. Google appeared first on The Mozilla Blog.

When UEFA's Men's Club Competitions Online Store (operated by Event Merchandising Ltd) set out to run a TikTok campaign during the 2024 finals, the goal was clear: engage passionate club fans and drive sales of official gear - without compromising the data privacy of their most loyal supporters and spectators. Together with Anonym - a [...]The post How UEFA and Mozilla's Anonym nailed TikTok campaigns without compromising user data appeared first on The Mozilla Blog.

Let's face it - measuring ad performance is challenging in a shifting privacy landscape. With tightening regulations and data sharing under a well-deserved microscope, advertisers are under more pressure than ever to prove their campaigns can work without crossing privacy lines. That was the exact puzzle Zenjob had to solve. As a platform connecting people [...]The post Data ethics in action: Zenjob, TikTok and Mozilla's Anonym show a better way to measure appeared first on The Mozilla Blog.

If you've ever had more tabs open than you can count, you know the struggle: tiny, unreadable tab titles, constant scrolling, and that moment of panic when you close the wrong one. Enter vertical tabs, a long-requested Firefox feature designed to make tab management and multitasking easier. But this wasn't just something we built overnight [...]The post How Firefox's vertical tabs came to life with a little help from our community appeared first on The Mozilla Blog.

If you've ever wished Firefox had vertical tabs or an easier way to share links on your phone - and you left a comment somewhere asking for it - there's a good chance someone saw it. And not just someone. The actual people building Firefox. That's the magic of Mozilla Connect. It launched in 2022 [...]The post Built together: How Firefox fans help shape the browser appeared first on The Mozilla Blog.

Spring is in the air, which means it's time to swap stuffy winter layers to fresh air - and maybe confront the dust bunnies that moved in while you were busy. If you're gearing up for a deep Spring clean or some much needed home maintenance, chances are you're heading online to stock up on [...]The post Spring cleaning? Watch out for these product categories while online shopping appeared first on The Mozilla Blog.

Here at Mozilla, we are the first to admit the internet isn't perfect, but we know the internet is pretty darn magical. The internet opens up doors and opportunities, allows for human connection, and lets everyone find where they belong - their corners of the internet. We all have an internet story worth sharing. In [...]The post Nolen Royalty, known as eieio, keeps the internet fun with experimental multiplayer games appeared first on The Mozilla Blog.

The internet is for everyone, but not everyone experiences it the same way. For many of us, harsh brightness, hard-to-read text or a webpage that doesn't work with a screen reader can turn simple tasks into frustrating obstacles. While we've built accessibility features directly into Firefox, we also support extensions that let you customize your [...]The post 4 accessibility tools to try in Firefox appeared first on The Mozilla Blog.

VPNs are great for keeping your connection secure and your activity private, but they can also get in the way. From triggering captchas to making some websites harder to access, traditional VPNs often force users into a trade-off between privacy and convenience. The new Mozilla VPN extension for Firefox - now available on Windows - [...]The post A smarter VPN experience: Introducing the Mozilla VPN extension for Windows appeared first on The Mozilla Blog.

I spend 8 hours per week trying to keep up to date, it's overwhelming!" Integrating new libraries is difficult. They're either poorly maintained or updated in ways that break compatibility." I want to be able to experiment quickly, without relying on APIs for closed-source models." These were just a few of the challenges we heard [...]The post Open-source AI is hard. Blueprints can help! appeared first on The Mozilla Blog.

Spoiler: The internet's not finished. Welcome to Web in Progress," a series celebrating the internet as a space you can shape, not just scroll through. Just as Firefox empowers you to take charge of your online experience, this series highlights how individuals and communities are shaping an internet that truly serves their needs. In this [...]The post Reaching readers, one TikTok at a time appeared first on The Mozilla Blog.

As you scroll through social media, the posts blend together: a heroic cat, a shocking statistic, a breaking news clip. But in a world where AI blurs the line between fact and fiction, how do you tell what's real from what's misinformation? The short answer: Most of the time, you can't. Generative AI tools have [...]The post Misinformation in the age of AI: It's in the details (like extra fingers) appeared first on The Mozilla Blog.

Last week the Department of Justice and some state attorneys general filed revised proposed remedies in the U.S. v. Google LLC search case. If the proposed remedies barring all search payments to browser developers are adopted by the court, these misguided plans would be a direct hit to small and independent browsers-the very forces that [...]The post Mozilla's response to proposed remedies in U.S. v. Google appeared first on The Mozilla Blog.

Too often, well-intentioned regulation misses the mark. This can be due to poor design, poor implementation, poor compliance, or failure to address unintended consequences. But the EU's Digital Markets Act (DMA) has the potential to be different. The DMA is a regulatory framework that came into effect in the EU in March 2024. It covers [...]The post Browser choice? Here's how EU's DMA is helping make it real appeared first on The Mozilla Blog.

On Wednesday we shared that we're introducing a new Terms of Use (TOU) and Privacy Notice for Firefox. Since then, we've been listening to some of our community's concerns with parts of the TOU, specifically about licensing. Our intent was just to be as clear as possible about how we make Firefox work, but in [...]The post An update on our Terms of Use appeared first on The Mozilla Blog.

UPDATE: We've seen a little confusion about the language regarding licenses, so we want to clear that up. We need a license to allow us to make some of the basic functionality of Firefox possible. Without it, we couldn't use information typed into Firefox, for example. It does NOT give us ownership of your data [...]The post Introducing a terms of use and updated privacy notice for Firefox appeared first on The Mozilla Blog.

Extensions are like apps for your browser, letting you customize and enhance your online experience. Nearly half of all Firefox users have installed at least one extension, from privacy tools to productivity boosters. To build these extensions, developers rely on a platform called WebExtensions, which provides APIs - the tools that allow extensions to interact [...]The post Mozilla's approach to Manifest V3: What's different and why it matters for extension users appeared first on The Mozilla Blog.

Since 2022, Mozilla has been in an active process evolving what we do - and renewing our leadership. Today we announced several updates on the leadership piece of this ongoing work. We've recognized that Mozilla faces major headwinds in terms of both financial growth and mission impact. While Firefox remains the core of what we [...]The post Growing Mozilla - and evolving our leadership appeared first on The Mozilla Blog.

A fresh start isn't just for your home - your iPhone or iPad deserves a privacy detox too. With Firefox for iOS, you can block hidden trackers, stop fingerprinting, and keep your browsing history more private with Enhanced Tracking Protection. How Firefox for iOS protects you Websites and advertisers often track your activity using cookies, [...]The post Spring detox with Firefox for iOS appeared first on The Mozilla Blog.

In the Firefox AI Runtime, we can use multiple threads in the dedicated inference process to speed up execution times CPU. The WASM/JS environment can create a SharedArrayBuffer and run multiple threads against its content and distribute the load on several CPU cores concurrently. Below is the time taken in seconds on a MacBook M1 [...]The post What is the best hardware concurrency for running inference on CPU? appeared first on The Mozilla Blog.

Here at Mozilla, we are the first to admit the internet isn't perfect, but we know the internet is pretty darn magical. The internet opens up doors and opportunities, allows for human connection, and lets everyone find where they belong - their corners of the internet. We all have an internet story worth sharing. In [...]The post Bluesky's Emily Liu on rethinking social media (and why it's time to chime in) appeared first on The Mozilla Blog.

As we close out the Paris AI Action Summit, one thing is clear: the conversation around open and Public AI is evolving-and gaining real momentum. Just over a year ago at Bletchley Park, open source AI was framed as a risk. In Paris, we saw a major shift. There is now a growing recognition that [...]The post Paris AI Action Summit: A milestone for open and Public AI appeared first on The Mozilla Blog.

Today we want to point to one of the most exciting announcements at the Paris AI summit: the launch of ROOST,a new nonprofit to build AI safety tools for everyone. ROOST stands for Robust Open Online Safety Tools, and it's solving a clear and important problem: many startups, nonprofits, and governments are trying to use [...]The post ROOST: Open source AI safety for everyone appeared first on The Mozilla Blog.