Easily convert months to seconds.
Easily convert months to minutes.
Easily convert months to hours.
Easily convert months to days.
Easily convert months to years.
Convert a number to written, spelled out words.
Get all the HTTP headers that an URL returns for a typical GET request.
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 gravatar.com globally recognized avatar for any email.
Make sure your passwords are good enough.