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