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.
Ping a website, server or port..
Convert text to ascii and the other way for any string input.
Easily convert months to seconds.
Easily convert PNG image files to JPG.
Easily convert weeks to years.