Take an IP and try to look for the domain/host associated with it.
Get approximate IP details.
Get all possible details about an SSL certificate.
Get all possible details about a domain name.
Ping a website, server or port..
Use the Google translator API to generate text to speech audio.
Extract email addresses from any kind of text content.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Easily convert nibbles to exabits (Ebit).
Convert fahrenheit degrees to celsius degrees with ease.
Get & verify the meta tags of any website.