Easily convert weeks to seconds.
Easily convert weeks to minutes.
Easily convert weeks to hours.
Easily convert weeks to months.
Easily convert weeks to years.
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 all possible details about an SSL certificate.
Get all possible details about a domain name.
Make sure your passwords are good enough.
Extract email addresses from any kind of text content.