Easily convert years to seconds.
Easily convert years to minutes.
Easily convert years to hours.
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.
Take an IP and try to look for the domain/host associated with it.
Get approximate IP details.
Get & verify the meta tags of any website.
Make sure your passwords are good enough.