For those that don’t know, Firefox has in-built support for automatically rejecting cookies and blocking the cookie banners from popping up.

To enable this feature, go to about:config, and perform the following:

  • change cookiebanners.service.mode from 0 to 2

To have this functionality in Private browsing mode, you should also:

  • change cookiebanners.service.mode.privateBrowsing from 0 to 2.

All Power to the People!

edit: (credit for this information goes to this lemming). Apparently, mode 2 means reject all or fall back to accept all if there is no Reject All button. Mode 1 only hits a Reject All button if available but ignores others.

  • that’s because the developers need to explicitly code the instructions for the addon to what elements to click on (or scroll through) in order to actually reject the cookies instead of just hiding a banner. wherever there’s a website where it doesn’t work, you can report it to the developers using the addon itself.