AM-DeadLink is a FREE tool which lets you remove the dead links and duplicates out of your browser bookmarks in Internet Explorer, Firefox Bookmarks and Opera Bookmarks.
Out of your large number of browsers bookmarks you can verify and remove all the unavailable bookmarks and delete them permanently.
AM-DeadLink can also check the URLs from tab delimited text files and URLs from comma separated text files, moreover you can also download FavIcons for the available bookmarks.
Lets see how can you use AM-DeadLink to check bookmarks on various browsers and download the favicon also for the bookmarks
How to use AM-DeadLink
After the scan is complete you can delete the bookmarks from the list which are not found or unavailable.