Gareth

This WordPress plugin displays a mini preview window on the edit post or edit page screen.
Mini Preview sits in the Page or Post tab when you are editing a page or post in WordPress.
Buttons above the preview window provide for Refresh, various display sizes, and preview in new tab.
The preview window is a fully functional, interactive mini browser showing exactly what the page will look like, except in miniature.

Mini Preview

Displays a mini preview when a page or post is being edited.

dixitalmedia

Jairo Ochoa

This plugin works with the open source <a title="Mobile Detect Library" href="http://mobiledetect.net" rel="nofollow ugc">Mobile Detect Library</a>. You can get further information on its website.
<pre><code>[ismobile device='iphone' debug=true ] Your content [/ismobile]
</code></pre>
<h4>Parameters</h4>
<ol>
<li>device: Filters the device where you want the content to be shown. It could be more than one device, simply separate them with comma.</li>
<li>debug: Shows Mobile Detect Library installed version. Also shows two arrays. The first one contains the devices which the library detects and the second one contains the devices where you want to show the content.</li>
</ol>
<h4>Values</h4>
<ul>
<li>android: Shows content in Android devices.</li>
<li>chrome: Shows content on Chrome browser (Only works on mobile devices).</li>
<li>desktop: Shows content on a computer. Opposite to mobile option.</li>
<li>ios: Shows content in iOS devices.</li>
<li>ipad: Shows content on a iPad.</li>
<li>iphone: Shows content on a iPhone.</li>
<li>mobile: Shows content on a mobile device (includes tablets and cell phones). Opposite to desktop option.</li>
<li>phone: Shows content on a cell phone.</li>
<li>safari: Shows content on Safari browser (Only works on mobile devices).</li>
<li>samsung: Shows content on Samsung devices.</li>
<li>tablet: Shows content on a tablet.</li>
</ul>

isMobile() Shortcode for WordPress

This plugin works with the open source Mobile Detect Library. You can get further information on its website.

Mini Preview vs isMobile() Shortcode for WordPress