Easily convert days to seconds.
Easily convert days to minutes.
Easily convert days to hours.
Easily convert days to months.
Easily convert days to years.
Check if the URL is cached or not by Google.
Make sure your passwords are good enough.
Encode any string input to Base64.
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.
Check for 301 & 302 redirects of a specific URL. It will check for up to 10 redirects.