Convert your HSL color format to HEX format.
Convert your HSL color format to HEXA format.
Convert your HSL color format to RGB format.
Convert your HSL color format to HSV format.
Convert your HSL color format to HSLA format.
Get the gravatar.com globally recognized avatar for any email.
Take an IP and try to look for the domain/host associated with it.
Check if the URL is cached or not by Google.
Get all possible details about an SSL certificate.
Get & verify the meta tags of any website.
Make sure your passwords are good enough.