Easily convert years to seconds.
Easily convert years to hours.
Easily convert years to days.
Easily convert years to weeks.
Easily convert years to months.
Extract email addresses from any kind of text content.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get approximate IP details.
Take an IP and try to look for the domain/host associated with it.
Get & verify the meta tags of any website.
Get all the HTTP headers that an URL returns for a typical GET request.