Easily convert months to seconds.
Easily convert months to hours.
Easily convert months to days.
Easily convert months to weeks.
Easily convert months to years.
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.
Make sure your passwords are good enough.
Get the web-host of a given website.
Parse details from user agent strings.
Check if the URL is banned and marked as safe/unsafe by Google.