sekishi

Enable to simplify the selection of the enclosing shortcode and html element on TinyMCE richedit. This is simple plugin. but it’s a very useful plugin.
Demonstration http://lab.planetleaf.com/development/wordpress/write-wordpress-plugin.html

Easy Block Selector

seo-kk

<ul>
<li>You will be able to use a shortcode that displays the table of contents and reading time when editing articles and fixed pages. 
*The table of contents is determined by the h tag in the text. The h tag to be displayed can be set on the administrator screen. 
*The display hierarchy of the table of contents can be set on the administrator screen.</li>
<li>Reading time is also displayed together. To hide the reading time, set the “readtime” parameter of the shortcode to 0. Default is 1. 
*Reading time is automatically calculated from the amount of text in the text. This is only a guideline.</li>
</ul>

SC-TableOfContents

This plugin provides a shortcode to display the table of contents and reading time on all posts and pages displayed on the_content.

Easy Block Selector vs SC-TableOfContents