Convert your HEXA color format to HEX format.
Convert your HEXA color format to RGB format.
Convert your HEXA color format to HSV format.
Convert your HEXA color format to HSL format.
Convert your HEXA color format to HSLA format.
Ping a website, server or port..
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all possible details about a domain name.
Get approximate IP details.
Take an IP and try to look for the domain/host associated with it.
Make sure your passwords are good enough.