Tor uses DuckDuckGo as it's default search engine. However, IMO brave gives far better search results and it's privacy is in-line with if not better than DuckDuckGo. Therefore I would like to use it instead.
However, Brave is not on the default list for Tor and while there is a Brave plugin Tor does not recommend using plugins. How do I configure Tor to use Brave as it's search engine without using a plugin.
Enter about:config
in url bar then enter this browser.urlbar.update2.engineAliasRefresh
and add a plus to it.
Go to Search in Settings, then in the list of search engines "Add" and name it, then the following for the middle box aka Engine URL:
https://search.brave4u7jddbv7cyviptqjc7jusxh72uik7zt6adtckl5f4nwy2v72qd.onion/search?q=%s