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 HSL format.
Convert your HEX color format to HSLA format.
Take an IP and try to look for the domain/host associated with it.
Get & verify the meta tags of any website.
Get all the HTTP headers that an URL returns for a typical GET request.
Separate text back and forth by new lines, commas, dots...etc.
Get approximate IP details.
Convert a particular date to the unix timestamp format.