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.
Generate whatsapp message links with ease.
Generate a paypal payment link with ease.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get approximate IP details.
Order text lines in alphabetical order (A-Z or Z-A) with ease.
Take an IP and try to look for the domain/host associated with it.