Take an IP and try to look for the domain/host associated with it.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get approximate IP details.
Get all possible details about an SSL certificate.
Get all possible details about a domain name.
Easily remove duplicate lines from a text.
Get & verify the meta tags of any website.
Convert text to binary and the other way for any string input.
Convert text to ascii and the other way for any string input.