Jackson Whelan

Allows you to paste iframe codes in the visual editor, just enclose within the [iframe][/iframe] shortcode.

iframe Shortcode

Paste iframe embed codes into the visual editor.

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

iframe Shortcode vs WP Wrapper