Convert your HEX color format to HEXA format.
Convert your HEX color format to RGB format.
Convert your HEX color format to HSV format.
Convert your HEX color format to HSL format.
Convert your HEX color format to HSLA format.
Get the gravatar.com globally recognized avatar for any email.
Make sure your passwords are good enough.
Take an IP and try to look for the domain/host associated with it.
Get approximate IP details.
Get & verify the meta tags of any website.
Get details of any file type, such as the mime type or last edit date.