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 ascii and the other way for any string input.
Convert text to decimal and the other way for any string input.
Get all the HTTP headers that an URL returns for a typical GET request.
Get approximate IP details.
Ping a website, server or port..
Get all possible details about an SSL certificate.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Use the Google translator API to generate text to speech audio.