Firefox already has native cookie blocking with the ability to add your chosen sites to an allow list, and JavaScript can be blocked, again with an allow list,

Firefox already has native cookie blocking with the ability to add your chosen sites to an allow list, and JavaScript can be blocked, again with an allow list, using add-ons like NoScript, uBlock Origin, or uMatrix. It looks like Chromium has native cookie blocking with an allow list as well. Firefox: about:preferences#privacy Chromium: chrome://settings/content/cookies