Take an IP and try to look for the domain/host associated with it.
Get approximate IP details.
Get all possible details about an SSL certificate.
Get all possible details about a domain name.
Ping a website, server or port..
Convert text to ascii and the other way for any string input.
Upload a image and extract the data out of it.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Separate text back and forth by new lines, commas, dots...etc.
Decode URL input to back to a normal string.