Nzbking is a free NZB indexing service that provides users with the ability to search and browse over 200 million Usenet posts across 3,500 newsgroups. With over 4,000 days of retention and access to 60+ petabytes of data, Nzbking allows users to quickly create their own NZB files. Users need access to a premium Usenet provider and an NZB capable newsreader to utilize the service effectively.