Easily convert hours to seconds.
Easily convert hours to minutes.
Easily convert hours to days.
Easily convert hours to weeks.
Easily convert hours to months.
Get the gravatar.com globally recognized avatar for any email.
Get the web-host of a given website.
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 & verify the meta tags of any website.
Make sure your passwords are good enough.