Easily convert seconds to minutes.
Easily convert seconds to hours.
Easily convert seconds to days.
Easily convert seconds to weeks.
Easily convert seconds to months.
Validate JSON content and make it looks good.
Get approximate IP details.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all possible details about an SSL certificate.
Ping a website, server or port..
Take an IP and try to look for the domain/host associated with it.