Firefox 4 Beta 8

STAY IN SYNC
Synchronize your settings, passwords, bookmarks, history, open tabs and other customizations across multiple devices so you can take Firefox with you wherever you go.

ORGANIZE YOUR TABS
Reclaim your browser from tab clutter! Drag and drop your tabs into manageable groups that you can organize, name and arrange in a fun and visual way.

MANAGE YOUR ADD-ONS
An easier way to manage your add-ons and discover new options for personalizing your browsing.

Fasten your Seat belts

Firefox 4 Beta contains huge performance enhancements, including our brand new J gerMonkey JavaScript engine. From faster start up times and graphics rendering to improved page load speed, you'll notice the difference instantly.


WebM and HD Video

As pioneers of HTML5 video standards, Firefox also supports the WebM format so you can watch open HD quality video.


Protecting Your Privacy

Firefox puts your privacy first, fixing flaws in some web standards that allow bad guys to snoop around and expose your browser history.


New JS values

Changes to the C++ representation of JavaScript values allow Firefox to execute heavy, numeric code more efficiently, resulting in cleaner graphics and a better browsing experience.


Multi-touch Support

Firefox now integrates multi-touch support for Windows 7, enabling you to interact with your browser in a whole new way.


3D on the Web

WebGL brings 3D graphics to Firefox, opening the door for developers to create vivid games and new kinds of visualizations and experiences for the Web.


Audio API

Firefox is changing the way media is integrated on the web: exposing the raw audio data housed within the

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