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..
Extract email addresses from any kind of text content.
Get details of any file type, such as the mime type or last edit date.
Convert text to morse and the other way for any string input.
Convert your color to multiple other formats.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.