Easily convert weeks to seconds.
Easily convert weeks to hours.
Easily convert weeks to days.
Easily convert weeks to months.
Easily convert weeks 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.
Get the web-host of a given website.
Parse details from user agent strings.
Make sure your passwords are good enough.
Convert pounds (lb) to kilograms (kg) with ease.