Bookmark De-duplication
DE-DUPLICATE a folder, session or ALL your bookmarks.
How to de-duplicate your bookmarks in TabsFolders.
1)Select any folder in your Bookmarks.
2)Right click and select "De-duplicate".
3)TabsFolders will create a new folder "tmp de-duplication" with the subfolders "tmp" with the unique bookmarks and "tmp duplicates" with the duplicate bookmarks.