justincardoza

This plugin provides a very lightweight, minimalist, jQuery-based lightbox for displaying full-screen versions of the images from WordPress galleries. It also gives some basic copy protection that should foil relatively unmotivated image thieves by inserting a transparent overlay over the lightbox and all gallery thumbnails. This will prevent people from copying images in your galleries via right-click or drag-and-drop. It’s not a true preventative measure, in that someone who really wants to download copies of your images will most likely find a different way, but it is a little more secure than linking directly to the full resolution versions. Image copying is pretty much impossible to fully prevent aside from just not publishing your work in the first place; my goal with this plugin is to find a good middle ground.
Want to see it in action? Check out the <a href="https://justincardoza.com/photos" rel="nofollow ugc">photos page</a> on my personal website for a live demo.
<h3>Features</h3>
<ul>
<li>Minimalist and lightweight: the 3 public-facing files are only about 8KB total</li>
<li>Mobile-friendly with swipe gesture support</li>
<li>Prevents some common image download methods with a transparent overlay</li>
<li>Works immediately and seamlessly with the WordPress default gallery block</li>
</ul>

Basic Protected Lightbox

A lightweight, simple lightbox with basic image protection capabilities.

Kazuki Yanamoto

WP Content Copy Protection with Color Design provides you security for wordpress website. 
It protects from copying the content, stealing data, and also images from your pages. 
You can also exclude pages and posts.
If someone right click, It`ll show an alert window with messages. You can change the color of the alert window that matches to your web site.
WP Content Copy Protection selecting texts, and disable drag and drop images to your computer. 
By not selecting texts, users cannot CTRL+C, CTRL+A, CTRL+X, CTRL+V and CTRL+P.
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You can also disable right click without giving the alert window.
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You can change the alert messages by yourself.
</li>
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You can exlude login users from the option page.
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You can exclude pages and posts.
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You can protect only specified pages and posts.
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You can protect print preview page (CTRL+P).
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</ol>

WP Content Copy Protection with Color Design

This plugin will protect the posts content from copying by disable right click and disable selecting text. You can exclude pages and posts.

Basic Protected Lightbox vs WP Content Copy Protection with Color Design