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  • Firefox-icon.png Firefox
  • Free and open source web browser that implements current and anticipated web standards
  • Developer:
    Mozilla Foundation, Mozilla Corporation and other contributors
  • License:

Mozilla Firefox is a standalone web browser, designed for privacy, security, standards compliance and performance. Its functionality can be enhanced via a plethora of extensions.

Firefox makes your daily web browsing fun and easy with a number of features, including:

  • Tabbed browsing
  • Private browsing including do-not-track enabled by default
  • Advanced phishing and malware protection
  • Spell checking
  • Incremental find within pages
  • Smart Bookmarks
  • Download manager
  • Location-aware browsing
  • Compliant with modern web standards
  • Modern web development tools
  • Available in a wide number of locales
  • A thriving ecosystem of themes and extensions at


In all openSUSE desktop installation, Firefox is installed by default. So usually you don't need to install it manually.

Appstream-button.png (Click the button to install)

Via GNOME Software

Start Software. Search for package "MozillaFirefox". Click the ideal package to open detail page. Click Install button.

Via KDE Discover

Start Discover. Search for package "MozillaFirefox". Click the ideal package to open detail page. Click Install button.

Via YaST

Start YaST --> Software Management. Search for package "MozillaFirefox". Check the checkbox for installation (green check). Click Accept button to start installation.

Via Zypper
sudo zypper in MozillaFirefox


Don't trust extensions

Be Careful!

Mozilla is NOT responsible for security auditing of extensions at which gives malware chances. Even some "featured" extensions are proven to be malware. You should not install extensions or themes without knowing who the author is and whether the code has been hijacked. And Mozilla will never tell you this!

Some famous examples:

The following guidelines can keep you away from bad extensions:

  • The extension must only come from
  • The extension must be "recommended" by Mozilla, which means it has been audited for security and privacy by Mozilla engineers. Note: not all of them are open source.
  • The extension must be open source and you can get the source code on GitHub or somewhere else. For example, uBlock Origin has its source code on GitHub and it is actively developed by many contributors. This makes sure enough people are watching it for you.
  • The extension must have a long enough history and large enough user base. Never install an extension that is uploaded just one month ago.
  • The extension must be developed by trusted individuals or organizations. For example, extensions from Mozilla and EFF can be trusted.
  • Be careful with "free" services. Most of them are selling only one product: your data.

Adblock and privacy extensions

Extensions for everyone, no mandatory configuration needed:

Do NOT install multiple ad blockers because they conflict with each other and make ad blocking effect worse. If you already installed uBlock Origin, then don't install Adblock Plus.

Extensions for experts, with total control:

Even with protection of extensions, you can still be tracked and identified by IP address or your browser fingerprint. If you want to hide your identity better, use Tor Browser instead.

Latest version

The Mozilla Project on the Build Service provides you the latest version of Firefox. This project offers relatively stable and tested, albeit unofficial, packages from Mozilla.

The repository can be found in the Mozilla repository

Tips and tricks


Reduce Disk Writes

  • Increase browser.sessionstore.interval in about:config




  • To force 1080p playback, one can install the Netflix 1080p add-on
  • To check video resolution, one can press Ctrl+Alt+Shift+D

See also

External links