Get all possible details about an SSL certificate.
Get all the HTTP headers that an URL returns for a typical GET request.
Check whether a website is using the new HTTP/2 protocol or not.
Get approximate IP details.
Extract email addresses from any kind of text content.
Convert kelvin degrees to fahrenheit degrees with ease.
Convert a number to written, spelled out words.
Take an IP and try to look for the domain/host associated with it.
Get the web-host of a given website.