Easily convert years to seconds.
Easily convert years to minutes.
Easily convert years to hours.
Easily convert years to days.
Easily convert years to weeks.
Validate JSON content and make it looks good.
Get details of any file type, such as the mime type or last edit date.
Get approximate IP details.
Check whether or not a website is using the new HTTP/2 protocol or not.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Make sure your passwords are good enough.