Bringing Virtual Reality to the web platform

Using WebVR, developers, designers and artists can share VR experiences on the web.

Learn more

Firefox Quantum for Developers is here (and it’s fast!)

The new Firefox Developer Edition has a new, blazingly fast CSS engine built in Rust. Get it with innovative features like CSS Grid Layout panel and framework debugging.

Learn more

Using the Web to change the game

With powerful Web technologies, pioneered by Mozilla, developers are pushing games to a new level.

See what’s new

Building the Web of Things

We’re working to create an open, Web of Things framework of software and services that can bridge the communication gap between connected devices.

Get started

Building a browser that gets you

The next generation of Web discovery is a browser that is more intuitive, useful and in tune with you.

Learn more

Inventing a safer programming language

Sponsored by Mozilla, Rust allows browsers, systems and more to run much faster and more safely.

Learn about Rust

Blogs

Read the latest from Mozilla’s technology blogs.

  • Private by Design: How we built Firefox Sync

    Hacks

    Firefox Sync lets you share your bookmarks, browsing history, passwords and other browser data between different devices, and send tabs from one device to another. We think it’s important to highlight the privacy aspects of Sync, which protects all your synced data by default so Mozilla can’t read it, ever. In this post, we take a closer look at some of the technical design choices we made in order to put user privacy first.

    Continue reading
  • Into the Depths: The Technical Details Behind AV1

    Hacks

    AV1, the next generation royalty-free video codec from the Alliance for Open Media leapfrogs the performance of VP9 and HEVC. The AV1 format is and will always be royalty-free with a permissive FOSS license. In this video presentation, Mozilla’s Nathan Egge dives deep into the technical details of the codec and its evolution.

    Continue reading
  • Cross-language Performance Profile Exploration with speedscope

    Hacks

    speedscope is a fast, interactive, web-based viewer for large performance profiles, inspired by the performance panel of Chrome developer tools and by Brendan Gregg’s FlameGraphs. Jamie Wong built speedscope to explore and interact with large performance profiles from a variety of profilers for a variety of programming languages. speescope runs totally in-browser, and does not send any profiling data to any servers.

    Continue reading