Generate an MD2 hash for any string input.
Generate an MD4 hash for any string input.
Get & verify the meta tags of any website.
Check if the URL is cached or not by Google.
Get the web-host of a given website.
Check if the URL is banned and marked as safe/unsafe by Google.
Make sure your passwords are good enough.
Get details of any file type, such as the mime type or last edit date.