I believe I tried all the bookmark management apps on the Chrome web store, deleted part of the bookmarks manually (yes, I even attempted that), organize them within folders and all, but they just came back every time I launched Chrome.
If you're wondering how I ended up with 150,000 bookmarks I'm not sure either. All I know is that they'd been imported from Firefox at first, with StumbleUpon bookmarks and all, and they just seem to have duplicated themselves with every sync since maybe... 2009. I've got a lot of empty folders in the mix as well, and they seem to increase in number too each time I take a look at my bookmarks.
Right now I'm running AM-DeadLink, who has been trying to delete the duplicates for maybe 10 hours now, and I'm not sure if it's even working any more since the Bookmarks file size in AppData/Local/Google/Chrome hasn't dropped from 51mb.
I don't want to delete all my bookmarks since I have important stuff in there. What I need is to get rid of all those duplicates for good. Any ideas?
Edit: So, a year later, the problem remains, and now I have another question:
Right now there's a total of 151739 bookmarks in my account as Chrome Sync indicates, but the categories under Chrome Sync are not individually editable or removable. The only editing option I get is to delete the sync data as a whole.
I would like to delete only the bookmarks and leave the rest for now until I figure out what I want to keep. How do I delete the bookmarks without touching anything else? Is that possible?