Generate an MD2 hash for any string input.
Generate an MD4 hash for any string input.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Make sure your passwords are good enough.
Get approximate IP details.
Get all possible details about an SSL certificate.
Ping a website, server or port..
Use the Google translator API to generate text to speech audio.