Easily convert weeks to seconds.
Easily convert weeks to minutes.
Easily convert weeks to days.
Easily convert weeks to months.
Easily convert weeks 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.