Fumiki Takahashi

TAROSKY INC.

Add iframe block for block editor. 
WordPress editor sometimes cleans up <code>iframe</code> tag if the user is a contributor(single site) or an editor(multi site) who has no capability <a href="https://wordpress.org/support/article/roles-and-capabilities/#unfiltered_html" rel="ugc">unfiltered_html</a>.
This plugin simply add 1 custom block iframe block. That’s all and no config.
<h4>Features</h4>
<ul>
<li><code>iframe</code> tag not escaped.</li>
<li>Responsive supported.</li>
<li>Keep aspect ratio. Default is <code>16:9</code>.</li>
<li>Keep <code>iframe</code> unescaped even in multisite. If you have multiple writers in your site, this might help without any roles-and-capabilities knowledge.</li>
<li>Align full and align wide supported.</li>
</ul>

Taro iframe Block

Add iframe block for your editor. Responsive and keeping aspect ratio.

nabtron

Wrapper for WordPress does a simple thing, adds a wrapper to your WrodPress.
Joomla comes with built-in wrapper which is missed in WordPress by many wordpress users.
Options in admin panel include:
<ul>
<li>desired url</li>
<li>select page on which wrapper has to be shown</li>
<li>height </li>
<li>width</li>
<li>show scroll bar or not</li>
<li>show border or not</li>
</ul>
Up coming version will have many more options
Found a bug or have a feature request ? <a href="https://nabtron.com/wp-wrapper/" rel="nofollow ugc"> 
Report here</a>

WP Wrapper

Wrapper for WordPress pages using iFrame. Various options in admin panel

Taro iframe Block vs WP Wrapper