Make sure your passwords are good enough.
Get all possible details about an SSL certificate.
Get all possible details about a domain name.
Generate a bcrypt password hash for any string input.
The easiest way to select a color from the color wheel and get the results in any format.
Extract http/https URLs from any kind of text content.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.