Minify your HTML by removing all the unnecessary characters.
Minify your CSS by removing all the unnecessary characters.
Get all the HTTP headers that an URL returns for a typical GET request.
Easily convert nibbles to zebibytes (ZiB).
Easily convert days to minutes.
Validate JSON content and make it looks good.
Convert normal text to old english font type.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.