Minify your HTML by removing all the unnecessary characters.
Minify your JS by removing all the unnecessary characters.
Convert kilometers per hour (kph) to miles per hour (mph) with ease.
Take an IP and try to look for the domain/host associated with it.
Get all possible details about a domain name.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all the HTTP headers that an URL returns for a typical GET request.
Get all possible details about an SSL certificate.