Options +FollowSymLinks 
RewriteEngine On

RewriteCond %{HTTP:X-Forwarded-Proto} =http
RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

RewriteCond %{HTTP_HOST} !^www\.privacytools\.io$
RewriteRule ^(.*)$ https://www.privacytools.io/$1 [L,R=301]