Clone Download Killer

  Clone Download Killer is an internet tool help you check identify of
this URL before really download it. CDK would check the duplicate of
file name , file size and content snippet. CDK check files with very
high speed , in general , within 5 seconds you could see whether you
had download the file before . CDK also monitor the click in Internet
Explorer , as you click a file type like ".exe;.Zip;.Rar..." , I would
automatically check it .