Generate an MD2 hash for any string input.
Generate an MD5 hash of 32 characters length for any string input.
Get the gravatar.com globally recognized avatar for any email.
Check if the URL is cached or not by Google.
Make sure your passwords are good enough.
Get details of any file type, such as the mime type or last edit date.
Check if the URL is banned and marked as safe/unsafe by Google.
Get the web-host of a given website.