Convert your HEXA color format to HEX format.
Convert your HEXA color format to RGB format.
Convert your HEXA color format to RGBA format.
Convert your HEXA color format to HSV format.
Convert your HEXA color format to HSL format.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all possible details about a domain name.
Extract email addresses from any kind of text content.
Get all possible details about an SSL certificate.
Take an IP and try to look for the domain/host associated with it.
Make sure your passwords are good enough.