Actually, that is a thing I like. Going through this stuff can be tedious, but it brings a lots of memories, things that I forgot about, things I once wanted to do. And also, after cleaning my digital life I feel similar as after cleaning in the physical world - good - I did something, I made my world a tad bit more organized and a tad less overwhelming. (I should note that I am lazy and I always must force myself to clean, but I never regret doing that after I start 😀) P.S. as I wrote in one comment below, maybe bookmarks is not a necessarily a thing that you want to go through and sort. Here I am more writing about my notes, or photos, etc…
Sometimes hitting delete is the best thing you can do. Especially bookmarks, how many of them is out of date, or not relevant to you any more. And if you needed some of it, you can find it again. Sure, there is a few things a bit harder to find, but it should take less time than sort through 2k bookmarks. 😀