Convert text to binary and the other way for any string input.
Convert text to hexadecimal 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.
Use the Google translator API to generate text to speech audio.
Get approximate IP details.
Get all possible details about an SSL certificate.
Get all possible details about a domain name.
Extract email addresses from any kind of text content.