[smolyeet]

If it helps , these two extensions are helpful

https://addons.mozilla.org/en-US/firefox/addon/checkmarks-we... clean up links and fav icons ( good for first time install for not making the toolbar as ugly with blank icons)

https://addons.mozilla.org/en-US/firefox/addon/bookmarks-cle... helps get rid of bookmarks with a few feature from the first one