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..
Extract email addresses from any kind of text content.
Convert text to morse and the other way for any string input.
Convert your color to multiple other formats.
Get details of any file type, such as the mime type or last edit date.