Pale Moon 26.1.0

Pale Moon

Pale Moon is an Open Source, Goanna-based web browser available for Microsoft Windows and Linux (with other operating systems in development), focusing on efficiency and ease of use. Make sure to get the most out of your browser!

Pale Moon offers you a browsing experience in a browser completely built from its own, independently developed source that has been forked off from Firefox/Mozilla code, with carefully selected features and optimizations to improve the browser's speed, resource use, stability and user experience, while offering full customization and a growing collection of extensions and themes to make the browser truly your own.


  • Optimized for modern processors
  • Based on our own optimized layout engine (Goanna)
  • Safe: forked from mature Mozilla code and regularly updated
  • Supported by a friendly, active community of users
  • Familiar, efficient, fully customizable interface
  • Support for full themes: total freedom over any element's design
  • Support for easily-created lightweight themes (skins)
  • Smooth and speedy page drawing and script processing
  • Increased stability: experience fewer browser crashes
  • Support for many Firefox extensions
  • Support for a growing number of Pale Moon exclusive extensions
  • Extensive and growing support for HTML5 and CSS3
  • Many customization and configuration options
  • Able to import existing Firefox profiles with the migration tool

Pale Moon 26.1.0 is a web compatibility, stability and bugfix release.


  • Disabled our ES6 Promise implementation introduced in 26.0 since there were some severe issues with its implementation that caused a lot of inexplicable failures on websites. This means that some sites that insist on using Promises without checking availability and that do not provide sufficient web client compatibility by way of server-side libraries or polyfills will currently not work as-intended. Apologies for any inconvenience this may cause; providing a perfectly-working implementation will be our top priority going forward.
  • Improved website compatibility with many sites and web applications by making our cookie gate less strict.
  • Fixed web compatibility with Google Hangouts and Yahoo Calendar.
  • Changed the memory allocator on Windows platforms to a much more modern full-library implementation of jemalloc, with miscellaneous additional fixes. This should give comparable speed to the system one and will allocate free memory more dynamically. This should fix issues like "huge animated gif choking" and inexplicable pauses when using many tabs, scrolling (extremely) long pages, or viewing media.
  • Fixed a few rare crashing issues on Windows due to the build process.
  • Reduced so-called "jank" on inner frame scrolling reflows.
  • Extension compatibility: partial implementation of Firefox 26 download js modules as shims; this should make more Firefox extensions compatible with us out-of-the-box. (Thanks, Chaoskagami!)
  • Added a "superstop" key combination (Shift+Esc) that will stop all (foreground and background) network activity, stop animated gifs, etc. even after the page itself has fully loaded (and the stop button not being available) - some web applications may not like this if you use it since it will also cancel XHR requests, etc.
  • Updated NTLM authentication, deprecating v1 and adding a proper v2 implementation (Thanks, Trava90!)
  • Updated the default theme to tweak/improve it some more (Thanks, Antonius32!)

Security fixes:

  • Updated the Graphite2 font library to 1.3.5+ to fix a number of vulnerabilities (and some font bugs).

Download: Pale Moon 26.1.0 | 20.4 MB (Freeware)
Download: Portable Pale Moon 26.1.0 | Portable 64-bit | Intel Atom, XP Portable Build
Download: Pale Moon 26.1.0 x64 | 23.5 MB
Download: Intel Atom & Windows XP optimized Pale Moon 26.1.0 | 19.0 MB
View: Pale Moon Homepage | Pale Moon Screenshot

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