The Pale Moon Project - Custom-built and optimized and built Firefox browsers for Windows Operating Systems

Windows VistaWelcome to the Pale Moon project homepage

Current version: 3.6.8a

Why settle for a basic build of your Firefox browser on Windows Operating Systems when you can have one that performs 25% faster? Mozilla does not provide optimized browser packages for Windows, while many Linux ("from scratch") users get the advantage of a browser built specifically for their system. That needs to change! So, here is the Pale Moon project: Custom-built and optimized Firefox browsers for Windows Operating Systems. Make sure to get the most speed out of your browser!

Of course, getting a faster browser is not just about optimizing the compilation process (building a program from its source code), but also about carefully choosing features and how to choose the best setup. This means that this browser, however extremely close to Firefox, does not have all the functions that Firefox has. A few, carefully selected, features have been disabled that are not in high demand, and that do not interfere with the way web pages are displayed or function; all to maximize speed and efficiency of the browser. Please see the page with technical details to learn exactly what the browser supports, and what it doesn't support. In short, if you need accessibility features or parental controls, then please visit the firefox homepage and get the official, non-optimized build.

To download the current version* of the Pale Moon browser, please go to the download page.


Main features:
  • Highly optimized for current processors
  • 100% Firefox sourced: As safe as the browser that has seen years of development.
  • Uses slightly less memory because of disabled redundant and optional code
  • Significant speed increases for page drawing and script processing
  • Support for SVG and Canvas
  • Support for Firefox extensions, themes and personas
  • Able to use existing Firefox profiles with this migration tool
Latest news:

Language packs!
Pale Moon specific language packs have been released, to get Pale Moon in your own language. Follow the instructions and download here.

Pale Moon 3.6.8a has been released! Both regular desktop versions and a portable version are now available.

more news...

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System Requirements:
  • Windows 2000/XP/2003/Vista/Seven, 32-bit or 64-bit (64-bit O.S.es are not natively supported, but the browser will run fine on them)
  • A modern processor with SSE2 support like a Pentium IV or Athlon 64 or later (see list of supported processors) Standard Pale Moon will NOT run on Athlon XP processors! Please GO HERE if you are running on an Athlon XP or Athlon MP processor machine.
  • 64 MB of RAM (128 MB or more recommended)
  • At least 35 MB of free (uncompressed) disk space

Dress up your browser!

While you are here, get a matching Theme (persona) for Pale Moon! It's simple, click the image below and allow the site to install the theme:
Pale Moon Theme
or, if you prefer a dark persona to match a dark desktop theme, try this one:
Pale Moon Theme


If you have any feedback, please use the feedback form to let me know your experiences! Thanks in advance.

If you are interested in keeping updated of new releases of the optimized Pale Moon web browser for windows, please subscribe to the announcement mailing list by sending an empty e-mail to: palemoon-subscribe@wolfbeast.com
NEW: You may also be kept up to date by following the Twitter feed by clicking the button below:
Follow palemoonbrowser on Twitter

* For your convenience, Pale Moon only releases select and relevant version updates of Firefox, and will be released with a delay compared to Firefox for building and testing. If you need to run the latest version at all times ("bleeding edge") please use the official Firefox builds.

Pale Moon is, and will always be, completely FREE to download and use! (MPL/GPL licensed)
But if you feel so inclined, if you enjoy the browser enough to help pay for my bills for hosting this webpage and keeping this page ad-free:
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Main download mirror graciously provided by:
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