Convert your HEX color format to HEXA format.
Convert your HEX color format to RGB format.
Convert your HEX color format to RGBA format.
Convert your HEX color format to HSV format.
Convert your HEX color format to HSLA format.
Make sure your passwords are good enough.
Get the gravatar.com globally recognized avatar for any email.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Check if the URL is banned and marked as safe/unsafe by Google.
Get details of any file type, such as the mime type or last edit date.
Take an IP and try to look for the domain/host associated with it.