In Firefox, you can control a lot via the `about:config` directives. You can put all that into a `user.js` for portability and reference, like this: https://github.com/delight-im/Secure-Firefox But unfortunately, there are so many things that can contribute to identification of your browser, and many of them cannot reasonably be blocked. The important section of the Chromium list is "(2) Machine-specific characterist…
Privacy is not easy. Please don't adopt this tagline. This quick catchphrase is the shortest path to lies. This kind of thinking basically helps powerful people erode the idea that they are not entitled to anybody's personal details. Privacy is as easy as not shooting yourself in the foot. You just have to not point the gun at your foot.
Privacy and convenience are at two ends of a spectrum. Commerce likes to exploit this by making things more "convenient", generally at the cost of privacy. Sadly, the majority of consumers care far more about convenience than the often hidden costs of lack of privacy.