Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Take an IP and try to look for the domain/host associated with it.
Get the size of a text in bytes (B), Kilobytes (KB) or Megabytes (MB).
Ping a website, server or port..
Get details of any file type, such as the mime type or last edit date.
Use the Google translator API to generate text to speech audio.