Convert text to hexadecimal and the other way for any string input.
Get the web-host of a given website.
Generate deep link mailto with subject, body, cc, bcc & get the HTML code as well.
Parse details from user agent strings.
Easily remove duplicate lines from a text.
Check if the URL is banned and marked as safe/unsafe by Google.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.