Easily convert days to seconds.
Easily convert days to minutes.
Easily convert days to weeks.
Easily convert days to months.
Easily convert days to years.
Get the gravatar.com globally recognized avatar for any email.
Make sure your passwords are good enough.
Check for 301 & 302 redirects of a specific URL. It will check for up to 10 redirects.
Ping a website, server or port..
Check if the URL is banned and marked as safe/unsafe by Google.
Check if the URL is cached or not by Google.