Convert text to binary and the other way for any string input.
Check if the URL is banned and marked as safe/unsafe by Google.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all the HTTP headers that an URL returns for a typical GET request.
Count the amount of characters and words of a given text.
Get & verify the meta tags of any website.
Get approximate IP details.