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Waterfox is a high-performance web browser based on Mozilla Firefox’s open-source code, specifically optimized for 64-bit Windows systems. It is designed to deliver maximum speed and efficiency, running faster than a standard 64-bit Firefox build due to advanced compilation optimizations.
This browser is crafted for users who value choice, control, and transparency. Waterfox partners with Ecosia, a search engine that plants trees through ad revenue, supporting Waterfox’s sustainability vision while delivering a customizable browsing experience.
Waterfox stands out by offering complete freedom with add-ons and extensions. Users can install any extension without restrictions or plugin whitelists. Privacy is a core focus — the browser sends no telemetry or personal data to Mozilla or the Waterfox project, ensuring a secure and private online experience.
Built on the latest stable Firefox code, Waterfox delivers the same design, feel, and compatibility as Firefox, except for branding in the menu bar. This means it offers full functionality while maintaining superior performance and privacy.
Waterfox shares settings, bookmarks, and extensions with Firefox, ensuring smooth coexistence. However, users should avoid deleting personal data during uninstallation if they continue using Firefox. Add-ons remain fully compatible across both browsers, allowing seamless integration and transition between platforms.
Main Features:
- Browse quickly. Start quicker, navigate tabs faster, and handle extra tasks more efficiently.
- Customize your browser. Personalize your browser with everything from themes to privacy tools.
- Your favorite add-ons and extensions. Adblock, Unblock, LastPass, and 1000s were extra.
- Sync between devices. Get your tabs, logins, and history on the go.
- Traveling Tabs. View open tabs on any machine.
- Waterfox for Android. Our most customizable software for Android.
- Balanced memory usage. Browse smoothly and leave plenty of memory for your computer programs.
- Better bookmarks. Quickly save and manage your favorite websites.
- More non-public. We don’t promote access to your online information. Period.
- No information collection. We do not access your information, ensuring you can browse freely.
- More effective Private Browsing. More safety than Incognito mode or InPrivate.
- Ad tracker blocking. The Private Browsing module blocks advertisements with trackers.
- Password Manager. Forget the reset. Save passwords and logins rapidly.
Waterfox Browser – Pros & Cons
| Pros | Cons |
|---|---|
| ✓ Focuses on user privacy by removing telemetry and reducing unnecessary data collection common in mainstream browsers. | ✗ Some websites may not function correctly because of its privacy-focused features and independent development. |
| ✓ Offers extensive customization, including flexible interface layouts, themes, and support for userChrome modifications. | ✗ Smaller development team and user community than major browsers like Firefox or Chrome. |
| ✓ Supports modern web standards while maintaining compatibility with many Firefox extensions. | ✗ Certain Firefox features and services are intentionally removed, which may not suit every user. |
| ✓ Includes built-in privacy features such as DNS-over-HTTPS, tracking protection, and an integrated ad blocker. | ✗ Waterfox Classic is a legacy browser with limited compatibility with modern web standards and known unpatched security vulnerabilities. |
| ✓ Available for Windows, macOS, Linux, and Android with regular security and compatibility updates for the current G6 release. | ✗ Some advanced privacy and customization features may require additional configuration for the best experience. |
Frequently Asked Questions
How do you make Waterfox the default browser?
You can set it as the default browser from its Settings or through Windows Default apps. On Windows 10 and 11, you can assign Waterfox to common web protocols and file types such as HTTP, HTTPS, .htm, and .html.
Can Waterfox import bookmarks and passwords from another browser?
Yes, it can import bookmarks, browsing history, saved passwords, cookies, and other supported data from browsers such as Chrome, Edge, Safari, and Internet Explorer. Compatible Chrome extensions may also be imported when equivalent versions are available through Firefox Add-ons.
How do you fix problems with Waterfox?
If the browser is unstable or behaving unexpectedly, the built-in Refresh option can restore default settings while preserving important information such as bookmarks and passwords. Keep in mind that refreshing removes extensions, themes, modified preferences, and other customizations, so it is best used after simpler troubleshooting steps.
What is the difference between Waterfox and Firefox?
Both are based on the same browser technology, but Waterfox is an independent Firefox-based browser that emphasizes customization and privacy. Mozilla Firefox is the primary browser and has a larger development ecosystem, while the browser makes different choices about features, services, and browser customization.
What’s New in Waterfox G6.7.1.1
Release Date 2026-08-26
Official Homepage – https://www.waterfox.net
Supported Operating Systems:
- Windows 7, 8, 8.1, 10, 11 (64-bit).
- Big Sur 11.0 and above
- Linux glibc 2.17 and above
