Options All -Indexes

<Files .htaccess>
Order allow,deny
Deny from all
</Files>

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /

#www to non www
RewriteCond %{HTTP_HOST} ^www.(.*)$ [NC]
RewriteRule ^(.*)$ http://%1/$1 [R=301,L]

#https on
RewriteCond %{HTTPS} off
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

#redirect index.html to main folder
RewriteCond %{THE_REQUEST} ^[A-Z]{3,9} /index.(php|html|htm) HTTP/
RewriteRule ^(.*)index.(php|html|htm)$ $1 [R=301,L]

#remove "/"
RewriteCond %{HTTP_HOST} (.*)
RewriteCond %{REQUEST_URI} /$ [NC]
RewriteRule ^(.*)(/)$ $1 [L,R=301]

#example.com/page will display the contents of example.com/page.html
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME}.html -f
RewriteRule ^(.+)$ $1.html [L,QSA]
RewriteCond %{THE_REQUEST} ^[A-Z]{3,9} /.*.html HTTP/
RewriteRule ^(.*).html$ /$1 [R=301,L]
</IfModule>