DNUI

DNUI (Delete Not Used Image) will search images from the database and try to find it on every Post and Page, if one image has one reference in this either post or page, the plugin will tell you that the image is used.

The version 2.0 is one big remake of this plugin, all the code have changed, now the code work by Rest Service and use AngularJS (not more the BackboneJS)

The update from the 1.x to the 2.0 is automatic, the only problem is that you will lost the backup folder and all backups made from the version 1.x

The plugin was fully test it with WordPress 4.3/4.4.1 and PHP 5.3/5.4/5.6

This plugin use:AngularJS 1.4.8 core, resource and animate
Angular UI
Bootstrap

This version can search if the image is used at:Excerpt (reference image or shortcode)
Publish Post/Page (reference image or shortcode)
Draft/Revesion Post/Page (reference image or shortcode)
Shortcodes (include gallery)

Translation:Spanish

You can found the DNUI PRO VERSION if you need more useful features, like compatibility with WooCommerce

If you need search all type of file or search from you upload folder try CUF

Github at DNUI

Tags: clean, clean image, clean images, clean up, clean up image, clean wordpress, clean wp, delete, delete not used image, delete unused image, image, image not used, image unused, images

Requires: 4.4 or higher
Compatible up to: 4.4.4
Last Updated: 2 months ago
Active Installs: 6,000+

https://downloads.wordpress.org/plugin/dnui-delete-not-used-image-wordpress.2.5.5.zip