Easily convert seconds to minutes.
Easily convert seconds to hours.
Easily convert seconds to days.
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Easily convert seconds to years.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Ping a website, server or port..
Get approximate IP details.
Make sure your passwords are good enough.
Get all possible details about a domain name.
Get the gravatar.com globally recognized avatar for any email.