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.
Convert forum type bbcode snippets to raw HTML code.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Ping a website, server or port.
Flip, upside down text with ease.
Convert text to binary and the other way for any string input.