Convert text to hexadecimal and the other way for any string input.
Get all possible details about a domain name.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get approximate IP details.
Get & verify the meta tags of any website.
Validate JSON content and make it looks good.
Generate an MD5 hash of 32 characters length for any string input.