On this page https://support.mozilla.org/en-US/kb/search-bar-easily-choose-your-search-engine?esab=a&as=aaq is not mentioned how to open the dialogue "manage search engines" if you have not placed the search-bar in Firefox.
I'm looking for an alternative to open it.
Go to Solution.
That window has this chrome URL:
Hello DeHollaender, see : Storage of search engines
Great! I've never known about the existence of those "chrome"-urls. Good stuff! However, thanks!