This plugin add a tiny MCE button for generating sample html content.

Sample Data Generator

This plugin generate sample html content in WordPress editor. This plugin use LoremIpsum.net API, http://loripsum.net/api and http://dummyimage.com/.

afzal_du

This plugin adds a new button into your WordPress page/post editor which allows you to insert Lorem Ipsum (demo text) quickly. 
It’s useful for creating demo content.
Check the video 
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/m4PIEJednNo?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe>

Srizon Lorem

Lorem Ipsum (Demo Text or Dummy Text) generator for your WordPress editor.

Sample Data Generator vs Srizon Lorem