Dougal Campbell

FancyBox Gallery integrates the FancyBox jQuery plugin into the WordPress 
gallery functionality. Simply use the gallery shortcode to display 
thumbnails in your posts with the option to link directly to the images (not 
the attachment template), and the plugin handles the rest. You get nice 
popups for the larger sized images, scaled to fit in the browser window, 
with a nice overlay effect.
<h4>Features:</h4>
<ul>
<li>Automatically scales large images to fit in window</li>
<li>Adds a nice drop shadow under the zoomed item</li>
<li>Groups related items and adds navigation through them (uses preloading)</li>
</ul>
FancyBox jQuery features, not yet implemented in the WordPress plugin:
<ul>
<li>Can display images, inline and iframed content</li>
<li>Customizable through settings and CSS</li>
</ul>
<h3>ToDo</h3>
<ul>
<li>Add a settings screen. Allow control of FancyBox display options.</li>
<li>Let user set their own CSS selector, instead of assuming the standard 
WordPress shortcode.</li>
</ul>
<h3>Credits</h3>
The FancyBox jQuery plugin is by Janis Skarnelis, and can be found here:
http://fancy.klade.lv/

FancyBox Gallery

Integrates the FancyBox jQuery plugin to generate dynamic pop-up image overlays for WordPress galleries.

arisoft

Need a lightbox plugin to show various content on any device (from mobile to desktop)? ARI Fancy Lightbox is the right choice.
It uses Fancybox popup to bring lightbox effect to WordPress sites. Use it to show images from native WordPress, NextGEN, FooGallery, Justified Image Grid and Jetpack galleries, photos, videos from YouTube, Vimeo, Dailymotion, Vine, Metacafe services, PDF documents, Google Maps links, inline content, external pages into the lightbox.
It works with WordPress native and Jetpack (tiled, circle) galleries out of the box. Just install and activate the plugin and images from galleries will be opened into fancybox popup.
Easy to use, no need any additional modification of HTML code. Just select media items which want to display into the lightbox (for example YouTube or Vimeo videos) and the plugin attaches lightbox automatically to all appropriate links on your site.
<blockquote>
<h4>Want demo?</h4>
Try the lightbox in action on <a href="http://wp-quiz.ari-soft.com/plugins/wordpress-fancy-lightbox.html#demo" rel="nofollow ugc">demo site</a>
</blockquote>
“ARI Fancy Lightbox” supports the following features:
<h4>Features</h4>
<ul>
<li>
Mobile friendly. Works well on any device. Supports gestures (tap, zoom, pan and pinch), swipe navigation, inline zoom.
</li>
<li>
Show videos from YouTube, Vimeo, Vine, Dailymotion, Metacafe services into the popup.
</li>
<li>
Integration with NextGEN galleries.
</li>
<li>
Can load get titles from EXIF data or use file names as titles for images.
</li>
<li>
One click integration with WooCommerce. Show WooCommerce product images in fancy lightbox.
</li>
<li>
Automatic integration with WordPress and Jetpack galleries. Photos from galleries will be opened into the lightbox.
</li>
<li>
FooGallery support.
</li>
<li>
Can disable right click for images to avoid copying URLs.
</li>
<li>
Show local PDF files in cross-browser PDFJS viewer.
</li>
<li>
Supports slideshow mode and loop navigation.
</li>
<li>
Can show all external links into the lightbox.
</li>
<li>
Provides UI interface to change lightbox styles.
</li>
<li>
Open content in fullscreen mode.
</li>
<li>
Show thumbnails toolbar for fast navigation between lightbox items.
</li>
<li>
Display inline content and web pages.
</li>
<li>
Supports custom actions and filters. Extend functionality easily.
</li>
<li>
Highly customizable.
</li>
<li>
Uses Fancybox3
</li>
</ul>
<blockquote>
<h4>Need more features?</h4>
Get <a href="http://wp-quiz.ari-soft.com/plugins/wordpress-fancy-lightbox.html#pricing" rel="nofollow ugc">PRO version</a>.
</blockquote>
<h4>Premium Features</h4>
<ul>
<li>
Supports deeplinking. Generates an unique link for each lightbox item and open the lightbox automatically when the link is opened into a browser.
</li>
<li>
Integration with Facebook comment plugin.
</li>
<li>
Share lightbox content via social networks: Facebook, Twitter, Google+, Pinterest, LinkedIn, VK. Send by e-mail.
</li>
<li>
Extended parameters for YouTube, Vimeo, Dailymotion video players (auto-play, related video, fullscreen button and others).
</li>
<li>
Possible to disable the lightbox on small screens.
</li>
<li>
Create splash window via shortcode. The lightbox with the defined content will be opened on page load. Possible to show it only once.
</li>
<li>
Can show external/internal links with target=”_blank” attribute into the popup.
</li>
<li>
Supports integration with Justified Image Grid.
</li>
</ul>
More information can be found in <a href="http://www.ari-soft.com/docs/wordpress/ari-fancy-lightbox/v1/en/index.html" rel="nofollow ugc">user’s guide</a>.
<blockquote>
<h4>Featured In The Media</h4>
We’ve been featured in <a href="http://wpdean.com/wordpress-lightbox-plugins/" rel="nofollow ugc">10 Best WordPress Lightbox Plugins for 2017</a> and <a href="https://www.wpbuffs.com/wordpress-image-lightbox-plugins-for-photo-galleries/#8" rel="nofollow ugc">Best WordPress Lightbox Plugins</a>.
</blockquote>
Have any idea how to improve the plugin? Don’t hesitate to share it <a href="http://www.ari-soft.com/ARI-Fancy-Lightbox/" rel="nofollow ugc">here</a> and we will try to implement it in future versions of the plugin.
Do you like the plugin and want to say about it?
Write a review and rate it <a href="https://wordpress.org/support/plugin/ari-fancy-lightbox/reviews/" rel="ugc">here</a>.
Are interested in other our WordPress plugins?
Check <a href="https://wordpress.org/plugins/ari-stream-quiz/" rel="ugc">ARI Stream Quiz</a> – WordPress Viral Quiz plugin, 
<a href="https://wordpress.org/plugins/ari-cf7-connector/" rel="ugc">Contact Form 7 Connector</a> integrates CF7 with MailChimp and MailerLite, 
<a href="https://wordpress.org/plugins/ari-adminer/" rel="ugc">ARI Adminer</a> – WordPress database management plugin.

ARI Fancy Lightbox – Popup for WordPress

Lightbox for WordPress with social and viral features. Show photos, gallery, PDF, videos, WooCommerce images, inline content, Google Maps links.

FancyBox Gallery vs ARI Fancy Lightbox – Popup for WordPress