Easily convert hours to minutes.
Easily convert hours to days.
Easily convert hours to weeks.
Easily convert hours to months.
Easily convert hours to years.
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.
Get the web-host of a given website.
Take an IP and try to look for the domain/host associated with it.
Make sure your passwords are good enough.