welshhuw

This basic plugin enables the Magnific Popup image lightbox to work with single images within your posts and pages, gallery images using the built-in WordPress gallery and also WooCommerce product images. 
Images within a Gallery will have next and previous arrows. 
You can add an alt attribute to your image, to enable lightbox ‘captions’.
The plugin comes with a Settings page for you to choose options. All are off by default.
Thanks to Dmitry Semenov for the original script and hard work: http://dimsemenov.com/plugins/magnific-popup/
Note: This only supports images and not the full capabilities of Magnific Popup.

IW Magnific Popup

Simply put, this plugin works great but could slightly be improved :)
I would love to get in touch with the developer and submit a pull request to improve a few things...



Work as expected

A plugin to include the Magnific Popup lightbox for single & gallery images in WordPress.

blueimp

<a href="http://blueimp.github.io/Gallery/" rel="nofollow ugc">blueimp Gallery</a> is a touch-enabled, responsive and customizable image and video gallery, carousel and lightbox, optimized for both mobile and desktop web browsers. 
It features swipe, mouse and keyboard navigation, transition effects, slideshow functionality, fullscreen support and on-demand content loading and can be extended to display additional content types. 
This is the official WordPress plugin for the Gallery lightbox functionality. 
By default it automatically adds lightbox functionality to image links ending with gif, jpg, jpeg and png extensions. The plugin provides an options page to disable the automatic feature and to restrict the list of media types. It is also possible to add lightbox functionality for a link manually.

blueimp lightbox

Official blueimp Gallery lightbox for Wordpress.

IW Magnific Popup vs blueimp lightbox