Easily convert days to minutes.
Easily convert days to hours.
Easily convert days to weeks.
Easily convert days to months.
Easily convert days to years.
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.