Convert text to hexadecimal and the other way for any string input.
Convert text to ascii and the other way for any string input.
Convert text to decimal and the other way for any string input.
Convert text to octal and the other way for any string input.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Check if the URL is banned and marked as safe/unsafe by Google.
Check if the URL is cached or not by Google.
Get the gravatar.com globally recognized avatar for any email.
Get all possible details about a domain name.
Get approximate IP details.