Convert your RGBA color format to HEX format.
Convert your RGBA color format to HEXA 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.
Extract email addresses from any kind of text content.
Get the gravatar.com globally recognized avatar for any email.
Get approximate IP details.
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.