Ubuntu – Firefox will not even try to install Gnome extensions

firefoxgnome-shellgnome-shell-extension

I have the chrome-gnome-shell package installed. I have the Firefox add-on installed (https://addons.mozilla.org/en-US/firefox/addon/gnome-shell-integration/) and I granted it permissions.

When I go here for example: https://extensions.gnome.org/extension/1287/unite/https://extensions.gnome.org/extension/1287/unite/, and select the Gnome version and extension version, it only offers to download a Zip file. It does not offer to install and there is no option in the Firefox download dialog for that.

What do I need to do to make this work? I would prefer not to do the fancy work of unzipping, writing down UUIDs and all that just to install an extension.

Best Answer

Please make sure you have both gnome-shell-extensions and chrome-gnome-shell packages installed:

Install them as follows:

  1. Install gnome-shell-extensions 
    sudo apt install gnome-shell-extensions
  2. Install chrome-gnome-shell 
    sudo apt install chrome-gnome-shell

After that:

  • Install the Gnome tweaks tool as follows: 
    sudo apt install gnome-tweaks
  • Open the GNOME tweaks tool as follows: 
    gnome-tweaks
  • Select extensions from the left side menu and enable them.

Firefox gnome extensions should now install easily from this official web page (simply by flipping the OFF button on the top right to ON):

https://extensions.gnome.org/

You might need to log out and re-log in for the gnome extensions to work.

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