Easily convert hours to seconds.
Easily convert hours to minutes.
Easily convert hours to days.
Easily convert hours to weeks.
Easily convert hours to years.
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.