Browser for Mac

[face]

I am really unsatisfied with my browsers atm.

Safari is just terrible to use. Need to zoom every second and the extensions for this like ZoomBySite crash e.g. youtube. Also, there is somehow no extension available to clear youtube from ads.
Chrome has a terrible bookmarks-interface.
Firefox has a great bookmarks-system, but every time I watch something on youtube, my fans go to like 4000rpm.

Is there a browser with a decent bookmark-system (not asking much, only "last set bookmarks" would be nice") which is not totally annoying while watching youtube etc? I already tried vivaldi and I have the same problem with youtube-videos.