Tsubu

<p>ReformBox extends WordPress Lightbox functionality beyond images. It currently supports Group, Paragraph, and Video blocks with poster images directly, while delegating Image lightbox behavior to WordPress core. For <code>core/image</code>, ReformBox only syncs the sidebar toggle with core lightbox settings.</p>
<p><a href="https://github.com/tbshiki/reformbox" rel="nofollow ugc">This plugin is developed on GitHub.</a></p>
<p><strong>Supported Blocks:</strong></p>
<ul>
<li>Image Block – Uses WordPress core lightbox behavior (ReformBox panel toggles core <code>lightbox.enabled</code>)</li>
<li>Video Block – Opens in a lightbox when a poster image is set (poster acts as the click trigger)</li>
<li>Group Block – Supports both <code>same</code> mode (same content in page + modal) and <code>split</code> mode (separate Preview/Modal direct child Group slots)</li>
<li>Paragraph Block – Click to open itself in a lightbox</li>
</ul>
<p><strong>Features:</strong></p>
<ul>
<li>No-code lightbox creation via block editor controls</li>
<li>Core-first image lightbox integration (<code>core/image</code>)</li>
<li>Core-aligned overlay markup for custom lightboxes</li>
<li>Core-aligned zoom animation</li>
<li>ESC key and overlay click to close</li>
<li>Accessible (ARIA attributes, focus management, keyboard navigation)</li>
<li>Group split mode with Preview/Modal slot mapping</li>
<li>Safe split fallback: if no Modal slot is assigned, Preview content is used</li>
<li>Lazy-loaded assets (CSS/JS only loaded when needed)</li>
<li>Self-lightbox videos defer preload/autoplay until opened</li>
<li>Core image workflow integration without overriding core image rendering</li>
<li>Global overlay background color and opacity controls in Settings > ReformBox</li>
<li>Plugin list row includes a Settings action link for quick access</li>
<li>Lightweight and performant</li>
</ul>


ReformBox

Universal Lightbox for WordPress – lightbox support for Group, Paragraph, Video blocks with poster images, and core Image workflows.

gptmade

<p>The Image Modal plugin adds a modal lightbox effect to images within the post content, allowing users to view larger versions of images without leaving the post.</p>
<p>This plugin requires NO settings, NO subscriptions, NO trials or pro versions. It just works out of the box with any image on the content of your posts or pages, either if it was Attached to the media library or just pasted from clipboard.</p>
<p>When an image is clicked, a modal box will appear with the larger version of the image. Dismiss the modal box with the close button or clicking on the modal’s background.</p>
<h3>Requirements</h3>
<p>NONE, but to show a pointer cursor when hovering on the images, his plugin requires that your content div in your theme has the class “.entry-content”. Chances are that this is the case if you are working with a relatively modern theme.</p>
<h3>Licensing</h3>
<p>This plugin is released under GPLv2.</p>
<h3>Author</h3>
<p>gptmade.com</p>


Image Modal

This plugin adds a modal lightbox effect to images within the post content, allowing users to view larger versions of images without leaving the post.

ReformBox vs Image Modal