If you are wary of giving an extension access to your data, or if you only have a few duplicates, you can do this manually. This method is best for users who organize their bookmarks into folders.
: Hold Ctrl (Windows) or Command (Mac) and click each duplicate to highlight them, then click the Delete button at the top. duplicate bookmarks chrome
Select the (or "Remove Duplicates") function. If you are wary of giving an extension