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.

We're thrilled to share that Peter Rojas has joined Mozilla Corporation as our new Senior Vice President of New Products. In this role, Peter will lead Mozilla's endeavors to explore, build and scale new products that align with Mozilla's greater mission and values. He will report to me and join Mozilla's steering committee. At Mozilla, [...]The post Welcoming Peter Rojas as Mozilla's SVP of New Products appeared first on The Mozilla Blog.

Dr. Erica Brozovsky is a sociolinguist, a public scholar and a lover of words. She is the host of Otherwords, a PBS series on language and linguistics, and a professor of writing and rhetoric at Worcester Polytechnic Institute. You can find her at @ericabrozovsky on most platforms. Photo: Kelly Zhu If you've been on the [...]The post IYKYK: The secret language of memes appeared first on The Mozilla Blog.

Image generated by DALL*E We're shipping a new API in Firefox Nightly that will let you use our Firefox AI runtime to run offline machine learning tasks in your web extension. Firefox AI Runtime We've recently shipped a new component inside of Firefox that leverages Transformers.js (a JavaScript equivalent of Hugging Face's Transformers Python library) [...]The post Running inference in web extensions appeared first on The Mozilla Blog.

Hi, I'm Tapan. As the leader of Firefox's Search and AI efforts, my mission is to help users find what they are looking for on the web and stay focused on what truly matters. Outside of work, I indulge my geek side by building giant Star Wars Lego sets and sharing weekly leadership insights through [...]The post Supercharge your day: Firefox features for peak productivity appeared first on The Mozilla Blog.

Update: Following the 2024 Mozilla AI Dataset Convening, AI builders and researchers publish best practices for creating open datasets for LLM training. Training datasets behind large language models (LLMs) often lack transparency, a research paper published by Mozilla and EleutherAI explores how openly licensed datasets that are responsibly curated and governed can make the AI [...]The post Mozilla, EleutherAI publish research on open datasets for LLM training appeared first on The Mozilla Blog.

As a student pursuing a master's degree, I've spent too much time searching for PDF editors to fill out forms, take notes and complete projects. I discovered Firefox's built-in PDF editor while interning at Mozilla as a corporate communications intern. No more giving out my email address or downloading dubious software, which often risks data. [...]The post Streamline your schoolwork with Firefox's PDF editor appeared first on The Mozilla Blog.

Continuing our series on Anonym's technology, this post focuses on Anonym's use of differential privacy. Differential privacy is a cornerstone of Anonym's approach to building confidential and effective data solutions. In this post, we'll explain why we integrate differential privacy (DP) into all our systems and share how we tailor our implementation to meet the [...]The post Raising the bar: Why differential privacy is at the core of Anonym's approach 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 Slate's ICYMI hosts on their online obsessions and wildest 2025 predictions appeared first on The Mozilla Blog.

On Nov. 19, 2024, Mozilla and Columbia University's Institute of Global Politics held the Columbia Convening on AI Openness and Safety in San Francisco. The Convening, which is an official event on the road to the AI Action Summit to be held in France in February 2025, took place on the eve of the Convening [...]The post A different take on AI safety: A research agenda from the Columbia Convening on AI openness and safety appeared first on The Mozilla Blog.

Continuing our series on Anonym's technology, this post focuses on the Transparency Portal, a critical tool designed to give our partners comprehensive visibility into the processes and algorithms that handle their data.As a reminder, Mozilla acquired Anonym over the summer of 2024, as a key pillar in its effort to raise the standards of privacy [...]The post Building trust through transparency: A deep dive into the Anonym Transparency Portal appeared first on The Mozilla Blog.

Giving people the ability to shape the internet and their experiences on it is at the heart of Mozilla's manifesto. This includes empowering people to choose how they search. On Nov. 20, the United States Department of Justice (DOJ) filed proposed remedies in the antitrust case against Google. The judgment outlines the behavioral and structural [...]The post Proposed contractual remedies in United States v. Google threaten vital role of independent browsers appeared first on The Mozilla Blog.

Open-source technology isn't just about building software - it's about creating solutions collaboratively, making them freely available for anyone to use and adapt. This approach lowers barriers of access and allows solutions to be tailored to varying nuanced contexts rather than applying a copy-paste approach. I come from a family with a heavy engineering background. [...]The post How to get started on open-source development appeared first on The Mozilla Blog.