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Latest Version
Pale Moon 34.3.0 (64-bit) LATEST
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Review by
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Operating System
Windows 7 64 / Windows 8 64 / Windows 10 64 / Windows 11
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User Rating
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Author / Product
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Filename
palemoon-34.3.0.win64.installer.exe
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MD5 Checksum
ffb001f1663d4a3c43cb0b84e83b5f06
Make sure to get the most out of your browser!
Pale Moon offers you a browsing experience in an internet browser completely built from its own, the 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.

The browser supports legacy Firefox extensions, ensuring backward compatibility while also fostering a community-driven development ethos.
With its focus on simplicity and control, Pale Moon targets users who prioritize lightweight software over the resource-heavy, mainstream browsers of today.
Highlights
- Optimized for modern processors
- Based on the optimized layout engine (Goanna)
- Safe: forked from mature Mozilla code and regularly updated
- Secure: Additional security features and security-aware development
- 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 PaleMoon 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
Lightweight and Resource-Efficient
The program is designed to be lean, making it ideal for systems with limited resources. It consumes less memory compared to most modern browsers.
Customizable Interface
The browser offers a classic, highly configurable interface reminiscent of older Firefox versions. Users can tweak menus, toolbars, and themes to suit their preferences.
Support for Legacy Extensions
Unlike many modern browsers, it maintains support for older Firefox XUL/XPCOM extensions, providing access to a wide range of legacy add-ons.
Privacy-Focused
With no telemetry or data collection baked into the software, it ensures that users retain control of their browsing data.
Multi-Platform Availability
It supports Windows, Linux, and other platforms, catering to a wide user base.
Community-Driven Development
Being open-source, it encourages community contributions, making its development a collaborative effort.
Frequent Updates
While not on an aggressive update schedule, it receives regular security patches and feature enhancements.
User Interface
Pale Moon’s user interface is a throwback to the pre-Australis days of Firefox, offering a more traditional and functional design. Tabs, bookmarks, and toolbars are highly customizable, and the layout is uncluttered, emphasizing usability over aesthetics.
A significant departure from modern browsers is its lack of "hamburger menus" or overly simplified icons. Users have access to detailed settings and configurations directly from the menu bar, fostering a sense of control.
Installation and Setup
Download: Visit the official website or FileHorse.com and download the installer compatible with your operating system.
Install: Run the installer and follow the on-screen instructions. The setup process is fast and doesn't include any third-party software.
First Launch: Upon first launch, it allows users to import bookmarks, settings, and history from other browsers.
Customization: Access the settings menu to tailor the browser’s appearance, privacy, and functionality to your liking.
How to Use
Extensions and Themes: Navigate to the app add-ons site to explore compatible extensions and themes.
Privacy Settings: Adjust privacy options via Preferences > Privacy to enhance security.
Customizing Toolbar: Right-click the toolbar and select "Customize" to add, remove, or rearrange buttons and menus.
Legacy Websites: For older web applications or incompatible sites, use the "User Agent Mode" to mimic different browsers.
FAQ
Can I use modern Firefox extensions with Pale Moon?
No, it supports legacy Firefox extensions but is incompatible with WebExtensions. However, the browser offers an extensive catalog of alternative add-ons.
Is Pale Moon secure?
Yes, Pale Moon is secure, with regular updates to address vulnerabilities. However, users should keep the browser updated to the latest version.
Does Pale Moon support DRM-protected content?
No, Pale Moon does not natively support DRM (Digital Rights Management), which might restrict access to some streaming services like Netflix.
Can I sync data across devices?
It offers a sync feature, but it is less robust compared to mainstream browsers like Chrome or Firefox.
What makes Pale Moon different from Firefox?
This software is lighter, retains support for legacy features/extensions, and offers a more customizable interface compared to Firefox.
Alternatives
Firefox
A modern, feature-rich browser with extensive add-ons and high performance. Great for users who prioritize security and modern web standards.
Waterfox
A Firefox fork emphasizing privacy and legacy extension support.
Opera
Known for its built-in VPN, Opera is a user-friendly alternative offering unique features like a sidebar messenger.
Brave
A privacy-focused browser with built-in ad-blocking and cryptocurrency integration.
Vivaldi
Highly customizable and modern, Vivaldi caters to users who want extensive control over their browsing experience.
Pricing
The program is completely FREE and open-source, with no paid versions or features hidden behind a paywall.
System Requirements
- Operating System: Windows 11, 10, 8 or 7
- Processor: Modern CPU with SSE2 support.
- Memory: 256 MB RAM (512 MB recommended).
- Disk Space: 30 MB for installation.
- Graphics: DirectX 9-capable GPU for hardware acceleration (optional).
- Lightweight and resource-efficient.
- Highly customizable interface.
- Supports legacy extensions.
- Privacy-focused with no telemetry.
- Open-source and community-driven.
- Limited support for modern WebExtensions.
- Incompatibility with some websites and DRM content.
- Lacks advanced sync features found in mainstream browsers.
What's new in this version:
New features:
- Added powerPreference to canvas WebGL context for web compatibility
- Implemented support for the lch color space in CSS
- Added a base implementation for CSS stylesheet constructors
- Added a base implementation for CSS aspect-ratio sizing
- Added support for CSS min(), max() and clamp() functions
- Added support for CSS logical border radius properties
- Added support for ranges in CSS media queries
- Added support for CSS shadow parts
- Added support for degenerate CSS values infinity, -infinity and NaN
- Implemented full LoongArch64 Baseline/Ion/WASM JIT compiler support
- Added AV1 decoding with Dav1d for more performant AV1 video playback on 64-bit builds. See implementation notes
- Note: AV1 is now enabled by default on Dav1d-supported configurations
- Added ES2024 Arraybuffer transfer APIs (resize, transfer, transferToFixedLength, detached, maxByteLength and resizable)
- Added support for growable/resizable SharedArrayBuffers and DataViews
- Added ES2024 grouping builtins (map .groupBy)
- Added ES2024 resolver builtins (.withResolvers())
- Added ES2024 String well-formed functions (.isWellFormed() and .toWellFormed())
- Added support for symbols as weak collection keys
- Added support for Atomics.waitAsync
- Added support for FinalizationRegistry (part of the WeakRef spec)
Changes/fixes:
- Switched our build system to Python 3. See implementation notes
- Linux: removed dbus-glib dependency
- Linux: Added EGL as a preferred OpenGL provider with GLX fallback; GLX remains the configured default as there are still some unresolved issues with EGL
- Improved JS performance by porting across various enhancements from Mozilla
- Fixed various application crashes
- Further improved compatibility with building for Loongson architectures
- Further improved hardware accelerated decoding of WMF videos
- Fixed ARM assembler issues in the Goanna back-end
- Improved parallel JS parsing tasks
- Improved CSS handling of calc() for web compatibility, allowing it in many more places (e.g. color() and z-index)
- For compatibility and performance reasons, we still strongly recommend that you use CSS variables to make calculations where possible
- Ported several smaller performance improvements from the Dactyloidae project
- Aligned CSS border width calculations with mainstream, for web compatibility. Please note that this may impact some themes that might rely on fractional border rounding (instead of truncation)
- Removed the CloudFlare workaround introduced in 34.2.0 as it should no longer be necessary with general image size handling improvements. The preference will no longer do anything
- White-listed driver vendors for VMWare, VirtualBox, VirtIO and Parallels to allow hardware accelleration as much as possible in VM environments
- Changed the implementation of WeakRef support to be always enabled in its full implementation
- Fixed some build issues on NetBSD
- Mac: Fixed a pertinent crash due to font handling on OS X 10.7 through 10.11
- Mac: Fixed build compatibility with 32-bit MacOS and Mac on PowerPC hardware
- Fixed a devtools crash on Big Endian machines
- Fixed an issue causing rendering artifacts on excessively large border-radius values (e.g. Tailwind CSS)
Security fixes:
- Fixed a stack corruption issue in nsLocaleService that could lead to crashes
- Implemented some ANGLE upstream fixes
- Updated NSS to 3.90.11 (UXP), picking up a number of upstream security fixes
- Another large security audit was performed of 190 security-sensitive reported bugs. Many security issues were addressed, including potential crash scenarios and code correctness issues.
- As a summary: 18 potential vulnerabilities were found applicable and fixed, another 18 issues had DiD code changes applied, and 4 were already mitigated by us before being reported. Of the reported security bugs, 150 were not applicable to our code (with a good portion once again pertaining to e10s/multi-process browser architectures).
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