How to Install LibreWolf on Linux Mint 21 or 20

Librewolf is a free and open-source web browser based on Mozilla Firefox. It is designed to provide a more privacy-respecting alternative to Firefox by removing features that compromise user privacy and security. Incorporating Librewolf into your daily Linux Mint desktop can bring several benefits, including improved privacy and security, better control over your browsing experience, and access to a wide range of privacy-enhancing add-ons and extensions.

Features and Benefits of Librewolf:

  • Based on Firefox, which means it is fast and stable
  • Removes features that compromise privacy and security
  • Allows users to control their browsing experience
  • Access to a wide range of privacy-enhancing add-ons and extensions
  • Better control over data collection and sharing
  • Support for many privacy-enhancing features such as encryption and VPNs
  • Regular security updates and patches
  • Available for Linux, Windows, and macOS
  • Completely open-source and free to use.

This tutorial will guide you through installing LibreWolf Browser on Linux Mint 21 or Linux Mint 20 distributions. It will cover the steps of adding the official repository and gpg key and updating and removing the browser using the command line terminal.

Step 1: Update Linux Mint

It is recommended to ensure that your system is up-to-date with all existing packages before proceeding with the tutorial.

sudo apt update

The following command can be used to check for available updates for review or informational purposes.

apt list --upgradable

The command below can update any outdated packages on your system.

sudo apt upgrade

Step 2: Install the Required Packages

To install LibreWolf successfully, the following dependencies will need to be present on your system. Many of these packages may already be installed, but running the command can ensure they are all in place.

sudo apt install curl dirmngr ca-certificates software-properties-common apt-transport-https -y

If you encounter issues after skipping this step, return and run the command to ensure all dependencies are installed.

Step 3: Install LibreWolf Browser

The first step is to import the GPG key to verify the authenticity of the packages. In your terminal, execute the following command to add it to your keychain.

curl -fsSL | sudo gpg --dearmor | sudo tee /usr/share/keyrings/librewolf.gpg > /dev/null

The next step is to add the LibreWolf repository to your system.

echo deb [arch=amd64 signed-by=/usr/share/keyrings/librewolf.gpg] jammy main | sudo tee /etc/apt/sources.list.d/librewolf.list

Now, an APT update will refresh the system’s package list with the newly added repository.

sudo apt update

Finally, you can install the LibreWolf browser by using the following command.

sudo apt install librewolf -y

Step 4: Launch LibreWolf Browser

Now that the privacy-focused browser is installed, it can be launched in a few ways. One way to quickly open the browser using the command line terminal is to use the following command.


For desktop users who prefer not to use the command line terminal, the best way to use LibreWolf is to open the GUI of the application by navigating to its location.

Taskbar > Internet > LibreWolf


When you launch the LibreWolf browser for the first time, you will see the default window, which is similar to Firefox in appearance but with a more stripped-back interface. As a privacy-focused browser, it has removed many features compromise user privacy and security. Some handy tips for first-time users include going through the settings to customize your browsing experience, familiarizing yourself with the privacy-enhancing features such as encryption and VPNs, and exploring the wide range of privacy-enhancing add-ons and extensions that are available for LibreWolf.

See also
How to Install PHP Composer on Debian 11 or 10


Additional Commands & Tips

Update LibreWolf Browser

For desktop users using the APT package manager, the browser should automatically update itself in sync with your system packages. However, for users who prefer to check for updates manually, the following command can be used in the terminal to check for available updates.

sudo apt update && sudo apt upgrade

Remove LibreWolf Browser

When you no longer wish to have the browser installed on your system, the following command can remove it altogether.

sudo apt autoremove librewolf --purge -y

If you do not plan to re-install LibreWolf in the future, removing the repository is also recommended.

sudo rm /etc/apt/sources.list.d/librewolf.list

After removing the repository list file, the GPG key should also be removed.

sudo rm /usr/share/keyrings/librewolf.gpg


In conclusion, installing the LibreWolf browser on Linux Mint distributions is a simple process that can be done in a few steps. By importing the official repository and GPG key, updating and removing the browser, and ensuring that the necessary dependencies are installed, users can enjoy a more privacy-respecting and secure browsing experience.

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