LOOS

This plugin adds variations to some core blocks and makes it easy to use blocks with dummy text and dummy images already entered.
It’s very lightweight because it just adds a “variation” of the core block.
<h3>Available Blocks</h3>
<ul>
<li>Lorem Paragraph</li>
<li>Lorem Paragraph (Long)</li>
<li>Lorem Heading</li>
<li>Lorem List</li>
<li>Lorem image</li>
<li>Lorem Columns</li>
<li>Lorem Media & Text</li>
</ul>

Lorem Ipsum Blocks

A plugin that makes it easy to use blocks with dummy text.

Mariyan Belchev

Dummy Images provides functionality for generating image placeholders which can be used for various purposes – set temporary feature images, filling blank spots, test and play around with different image sizes and etc.
The plugin gives you the option not only to generate a blank image but to customize it. You can easily select the dimensions, background color, text and text color of the dummy image.

Dummy Images

This plugin is a generator of customizable dummy images.

Lorem Ipsum Blocks vs Dummy Images