Firefox as a Linux alternative to Mozilla Firefox
Updated
Our verdict
Firefox on Linux is the same product as the Windows version, so it is an excellent replacement for users who want the same features, performance, and privacy controls on a Linux desktop. It works well for developers, power users, and everyday browsers, providing fast page loading, strong tracking protection, and full add‑on support.
- License
- MPL-2.0
- Price
- Free
- Latest version
- 158.0.1 (October 19, 2026)
- Rating
- —

What works the same
- Fast page loading
- Strong privacy controls and tracking protection
- Full add‑on ecosystem
- Cross‑platform sync of tabs, history, and settings
- Open‑source license (MPL‑2.0)
What is different
- No native Windows‑only extensions that rely on COM or ActiveX
- Some Windows‑specific integration features (e.g., Windows Hello for Firefox) are not available
- Certain Windows‑only themes or UI tweaks may differ
- Firefox on Linux uses GTK on GNOME or Qt on KDE, affecting look and feel
- The Windows installer includes a bundled updater that is not present on Linux
Opening your Mozilla Firefox files
Firefox on Linux can open and export bookmarks, passwords, and history from the Windows profile by copying the profile folder (usually located in %APPDATA%\Mozilla\Firefox) to the Linux profile directory (~/.mozilla/firefox). The import/export tools are identical, so no special steps are needed beyond copying the data.
Switching from Mozilla Firefox to Firefox, step by step
- 1. Install Firefox from your distribution’s package manager or Flathub.
- 2. Launch Firefox once to generate a default profile folder.
- 3. Copy the Windows profile folder (e.g., C:\Users\<user>\AppData\Roaming\Mozilla\Firefox) to the Linux profile directory (~/.mozilla/firefox).
- 4. Rename the copied profile folder to match the new profile name or set it as default in about:profiles.
- 5. Restart Firefox and verify bookmarks, passwords, and extensions are present.
Key features of Firefox
- Fast page loading
- Strong privacy controls
- Customizable UI
- Extensible with add‑ons
- Cross‑platform sync
- Open source
- Regular security updates
How to install Firefox on Linux
flatpak install flathub org.mozilla.firefoxsudo apt install firefoxsudo apt install firefox-esrsudo dnf install firefoxsudo pacman -S firefox-i18n-es-mxsudo zypper install MozillaFirefoxFrequently asked questions
Will my extensions work on Linux?
Most extensions that rely only on web APIs work on Linux. Those that use Windows‑specific APIs (e.g., COM) will not.
Can I sync my data across devices?
Yes, Firefox Sync works the same on Linux, syncing tabs, history, bookmarks, passwords, and settings.
Is Firefox on Linux as fast as on Windows?
Performance is comparable; on many Linux systems it can be faster due to native rendering engines and fewer background services.