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.
Get the gravatar.com globally recognized avatar for any email.
Ping a website, server or port..
Get all possible details about a domain name.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Make sure your passwords are good enough.
Take an IP and try to look for the domain/host associated with it.