AM-DeadLink is a useful application that can detect dead links and duplicates in your browser bookmarks.

If a Bookmark has become unavailable you can delete it from your Browser. AM-DeadLink checks Bookmarks from Internet Explorer, Opera, Mozilla and Netscape.

Additionally you can download/update the FavIcons of all your Favorites from the Browsers Internet Explorer and Opera.

AM-DeadLink only checks your browser bookmarks and bookmark lists for valid/invalid URLs.

Supported browsers:

Internet Explorer (all versions)

Firefox 2.x

Firefox 3.x (with work around*)

Opera 9.5 and higher

Google Chrome