Add-Ons Privacy-Badger from EFF Technologists HTTPS Everywhere from EFF Technologists uBlock Origin from Raymond Hill uBO-Scope from Raymond Hill uMatrix from Raymond Hill KeePassXC-Browser from KeePassXC Team Dark Background and Light Text from Mikhail Khvoinitsky First Party Isolation from freddyb Skip Redirect from Sebastian Blask Invidious Redirect from Metiis RSSPreview (versions 64+) from Aurelien David Video DownloadHelper from mig Optimize user.js Download moderate user.js from privacy-handbuch.de: cd ~/.mozilla/firefox/profile.xyz curl https://privacy-handbuch.