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.
Check if the URL is cached or not by Google.
Encode any string input to Base64.
Make sure your passwords are good enough.
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.
Easily convert bytes (B) to petabytes (PB).