It's really strange to have a duplicate finder that has a popup with no hotkey support. I have over 3,000 duplicates and there's no way I'm clicking 6,000 times to fix that using this addon. There needs to be a selection assistant, preferably something like Duplicate Cleaner has (this is not an addon, its a standalone software for files).

The results for checking broken bookmarks aren't visible until the whole search is done. I have over 15,000 bookmarks saved, I don't want to wait an hour and a half every time I want to clean out some broken bookmarks. It would be more usable if it could divide bookmarks up into batches so you can go for, say, checking just one thousand bookmarks at a time, preferably the latest 1,000 you added.

I hate to rate this addon two stars because this one technically works great, but the usability is so low that I really can't picture myself getting any work done with it.