This site can convert text from any case to any case.
Specific Tiny MCE Standard Styles
![screen-shot-2016-10-07-at-4-24-53-pm](http://wiki.christinewilson.uk/wp-content/uploads/2016/10/Screen-Shot-2016-10-07-at-4.24.53-PM-300x206.png)
function custom_wp_texteditor_styles ($arr){ $arr['block_formats'] = 'Paragraph=p;Heading 1=h1;Heading 2=h2;Heading 3=h3;Heading 4=h4;'; return $arr; } add_filter('tiny_mce_before_init', 'custom_wp_texteditor_styles');