Easily convert seconds to minutes.
Easily convert seconds to hours.
Easily convert seconds to days.
Easily convert seconds to weeks.
Easily convert seconds to years.
Generate a random number between a given range.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Extract email addresses from any kind of text content.
Make sure your passwords are good enough.
Get all possible details about an SSL certificate.
Take an IP and try to look for the domain/host associated with it.