Last year I migrated all my Firefox bookmarks (~ 1000 total) into Karakeep using their API and then deleted every bookmark except the top 10 sites that I visit most regularly. I didn't realize just how awful the discoverability of old bookmarks was until I started using karakeep to search for items. Their API is easy to use and I have a rofi script that I use to quickly open up saved pages in my browser with about 4 keystrokes.