Firefox -- Remove duplicate bookmarks

Bookmark Duplicate Detector makes a good addition to go along with Foxmarks. Clean up all those duplicates created from your manual merges prior to Foxmarks.

https://addons.mozilla.org/en-US/firefox/addon/1553

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Foxmarks -- keep all your bookmarks synchronized across all your pc's

No more exporting and importing multiple times to get consistency across all your Firefox instances.

http://www.foxmarks.com/

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