Every once in a while I go down this bookmark rabbit hole. Tags is the correct solution (for all the reasons your mentioned). I hate the standard folder / tree

Every once in a while I go down this bookmark rabbit hole. Tags is the correct solution (for all the reasons your mentioned). I hate the standard folder / tree based bookmark system that browsers and most 3rd party bookmark managers use. Firefox supports tags, but Firefox Mobile doesn't. Raindrop is clunky as hell. And...for along time, that was it. Luckily, a few years ago I discovered xBrowserSync, which turned out to be exactly what I'd been looking for. It's a stupidly simple tag only based system that syncs across devices. The browser extension makes bookmarking easy. Your data is locally encrypted then synced. It has a phone app. It's open source. And I can self host a server if I want to. There is no "organizing" or sorting of anything. Bookmarks live almost ethereally in the plugin (tho they actually live in your browser's built-in bookmark manager too...but we never need to visit that place). My only concern is that it hasn't been updated in forever (not that it's ever been broken for me). But I fear the day it does break and wonder if anyone will be around to fix it. Someone in the comments below mentioned Linkding, which looks like it could work (if the browser extension or bookmarklet turn out to be mobile friendly). I'm definitely going to give that a run and see how it fits. Anyways, enough shilling for xBS (I swear I'm not affiliated with them). Good luck in your search.