Convert your RGBA color format to HEXA format.
Convert your RGBA color format to RGB format.
Convert your RGBA color format to HSV format.
Convert your RGBA color format to HSL format.
Convert your RGBA color format to HSLA 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.