Description
This plugin orgnizes the layout of categories boxes in the post add/edit screens and will work for all post types in your website. If you have a lot of categories in your posts and you face difficulties in creating posts because of a lot of scroll to select the appropriate category, then this plugin is for you.
I have updated the plugin and now the folding of categories will work on quick edit screen also.
Screenshots
Collapsed layout of categories box in post add/edit screen. 
Expanded layout of categories box in post add/edit screen. 
Custom post type categories box layout in post add/edit screen. 
Post type quick edit screen.
Installation
- Upload the plugin files to the
/wp-content/plugins/directory, or install the plugin through the WordPress plugins screen directly. - Activate the plugin through the ‘Plugins’ screen in WordPress
FAQ
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Is there a setting to enable the folding option for categories?
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No, as long as you activate the plugin, it will work automatically.
Reviews
I could not survive without this plug-in as I have thousands of categories to manage. Will there be a version that is compatible with Gutenberg? Many thanks
dmatamales
July 9, 2017
This works with the bulk edit function, and it’s implemented on a low enough level that it even works with other plugins’ implementations of bulk edit, like Media Library Assistant’s bulk tagging new media feature. It also works with custom taxonomies. Seems stable and well done, and it definitely makes things easier for extensive taxonomies or taxonomies with slight redundancies or similar sections.
It’s much quicker than scrolling about and it eliminates most categorization mistakes during entry because you’re forced to drill down through the hierarchy, so you can’t mess up and choose the wrong term.
The only feature I would add is perhaps an icon that changes when a section is expanded, rather than the static “up-down triangles” icon. And while I do appreciate the “it just works” nature of this plugin, perhaps it would be nice to have the ability to switch the feature off for individual taxonomies. Other than that, great plugin providing a much needed feature that should be part of WordPress core!
Maurice1972
April 24, 2017
I was looking for a plugin, but could find the right one.
But this plugin has just the right settings and options for me.
Installment and use is very simple. Plugin works great for me.
Contributors & Developers
“Better Categories” is open source software. The following people have contributed to this plugin.
Contributors
Translate “Better Categories” into your language.
Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
Changelog
1.1
- Added quick edit screen support, now the categories will be folded on quick edit screen also.