Convert text to binary and the other way for any string input.
Convert text to hexadecimal and the other way for any string input.
Convert text to decimal and the other way for any string input.
Convert text to octal and the other way for any string input.
Get all possible details about an SSL certificate.
Take an IP and try to look for the domain/host associated with it.
Get the size of a text in bytes (B), Kilobytes (KB) or Megabytes (MB).
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Use the Google translator API to generate text to speech audio.
Get & verify the meta tags of any website.