Mozilla

Performance doesn’t have to come at the cost of privacy 
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. Anon...
2025-06-04 21:16
VIDEO: Thunderbird Pro and Thundermail!
It’s been just over two months (!) since we first announced our upcoming Thunderbird Pro suite and Thundermail email service. We thought it would be a great idea to bring in Chris Aquino, a Software Engineer on our Services team, to chat about these ...
2025-06-04 13:26
What happens when you don’t choose your browser? Let’s talk about it at SXSW London
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...
2025-05-30 14:51
A smarter, simpler Firefox address bar 
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 privac...
2025-05-24 01:06
The most L.A. corner of the internet
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 cor...
2025-05-23 16:36
Investing in what moves the internet forward
Firefox is the only major browser not backed by a billionaire and our independence shapes everything we build. This independence allows us to prioritize building products and tools, which shape the future of the internet for the better. And it means we...
2025-05-22 16:00
VIDEO: Talking MZLA with Ryan Sipes
In this month’s Community Office Hours, we’re chatting with our director Ryan Sipes. This talk opens with a brief history of Thunderbird and ends on our plans for its future. In between, we explain more about MZLA and its structure, and how this co...
2025-05-20 13:05
The future of the web depends on getting this right
The remedies phase of the U.S. v. Google LLC search case wrapped up last week. As the Court weighs how to restore competition in the search market, Mozilla is asking it to seriously consider the unintended consequences of some of the proposed remedies,...
2025-05-16 18:02
Thunderbird for Mobile April 2025 Progress Report
Here is an update of what Thunderbird’s mobile community has been up to in April 2025. With a new team member, we’re getting Thunderbird for iOS out in the open and continuing to work on release feedback from Thunderbird for Android. The Team is Gr...
2025-05-15 14:26
‘Shifting left’ for better accessibility in Firefox
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 i...
2025-05-13 21:52
Jump into Firefox Labs: A place to try new features and help shape Firefox
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’r...
2025-05-13 16:27
Jump into Firefox Labs: A place to try new features and help shape Firefox
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’r...
2025-05-13 16:27
Thunderbird Monthly Developer Digest – April 2025
Hello from the Thunderbird development team! With some of our time spent onboarding new team members and interviewing for open positions, April was a fun and productive month. Our team grew and we were amazed at how smooth the onboarding process has be...
2025-05-13 13:25
Mozilla’s CEO discusses testimony in U.S. v. Google search case
Today, Mozilla Chief Financial Officer, Eric Muhlheim, testified in the U.S. v. Google LLC search trial, highlighting the potential impacts this case could have on small and independent browsers, and the overall ecosystem.  There are a few key themes ...
2025-05-02 16:50
An NYC culture reporter on YouTube’s influence and the tab that got away
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 cor...
2025-04-30 15:00
Tackle tab overload with Firefox Tab Groups
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...
2025-04-29 18:59
You asked, we built it: Firefox tab groups are here 
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...
2025-04-29 15:01
Mozilla, Eleuther AI launch toolkits to help AI builders create open datasets
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. The majority of popular AI models rely on data crawled from the web, frequently without the exp...
2025-04-25 16:59
Mozilla, EleutherAI launch toolkits to help AI builders create open datasets
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. The majority of popular AI models rely on data crawled from the web, frequently without the exp...
2025-04-25 16:59
Ads performance, re-imagined. Now in beta: Anonym Private Audiences.
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...
2025-04-23 15:00