TAKAHIRO

<p><strong>DupZap</strong> makes duplicating content in WordPress simple and efficient. Whether you’re a blogger, designer, or developer, this plugin helps you quickly duplicate posts, pages, or custom post types with just one click.</p>
<p>Lightweight and fully compatible with the WordPress admin UI, DupZap adds a “Clone” link to each post/page list for instant duplication.</p>
<h3>Features</h3>
<ul>
<li>Duplicate any post, page, or custom post type</li>
<li>Copies title, content, excerpt, taxonomies, featured image, and meta fields</li>
<li>Fast and intuitive integration into WordPress admin interface</li>
<li>No settings required — just activate and go</li>
</ul>


DupZap

Clone posts, pages, and custom post types with one click. Lightweight and intuitive!

Exygy

Pllum

<blockquote>
<p>In a nutshell: Finally be able to duplicate and edit live posts without messing up the live version of the post.</p>
</blockquote>
<p>This plugin gives users the ability to clone, edit, and then merge back the updated copy back into the original post.</p>
<p>You control who has access to duplicate, you also control who has the permissions to merge the newly cloned edited post back into the original.</p>
<h4>Here’s the flow:</h4>
<p>Original Post -> Clone -> Edit -> Merge back to Original Post</p>
<h4>Watch it in action</h4>
<p><span class="embed-youtube" style="text-align:center; display: block;"><iframe loading="lazy" class="youtube-player" width="640" height="360" src="https://www.youtube.com/embed/5ngkWcIcpsE?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"></iframe></span></p>
<h4>Use Cases</h4>
<ul>
<li>Speed up page updating/iteration process</li>
<li>Duplicate / clone posts for quicker page creation</li>
<li>Grant visitors the ability to submit typo fixes</li>
<li>Turn your site into a wiki</li>
<li>ANYTHING!</li>
</ul>
<h4>Contribute to the plugin</h4>
<p>Developers! Pull requests welcome:</p>
<p>https://github.com/Exygy/duplicate-and-merge-posts</p>


Duplicate and Merge Posts

I use this plugin across several sites and it's a great addition -- wish it was part of WordPress core it's that useful for modifying already published posts/pages.



Excellent

Duplicate existing pages on your site, edit them, and merge them back over the original.…

DupZap vs Duplicate and Merge Posts