Easily convert hours to seconds.
Easily convert hours to days.
Easily convert hours to weeks.
Easily convert hours to months.
Easily convert hours to years.
Get the gravatar.com globally recognized avatar for any email.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Make sure your passwords are good enough.
Check if the URL is cached or not by Google.
Get details of any file type, such as the mime type or last edit date.
Get the web-host of a given website.