Convert your RGB color format to HEXA format.
Convert your RGB color format to RGBA format.
Convert your RGB color format to HSV format.
Convert your RGB color format to HSL format.
Convert your RGB color format to HSLA format.
Get & verify the meta tags of any website.
Get details of any file type, such as the mime type or last edit date.
Make sure your passwords are good enough.
Check if the URL is banned and marked as safe/unsafe by Google.
Get the web-host of a given website.
Check if the URL is cached or not by Google.