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