Taxonomy Meta Box Filter – Search taxonomies from the editor

Taxonomy Meta Box Filter enhances the WordPress admin interface by adding a simple search field above each taxonomy metabox.
It supports default taxonomies (like categories and tags), as well as custom taxonomies and custom post types (CPTs).

Perfect for sites with a large number of terms, allowing you to quickly find and select the ones you need while editing posts.

Features

• Search field added to every taxonomy metabox
• Works with hierarchical (categories) and non-hierarchical (tags) taxonomies
• Compatible with custom taxonomies and CPTs
• Script only loads on the post and post-new admin screens
• Fully translatable

License

This plugin is licensed under the GNU General Public License v2 or later.

1. Upload the plugin folder to the /wp-content/plugins/ directory.
2. Activate the plugin through the “Plugins” menu in WordPress.
3. Edit a post and you will see the search field above the taxonomy metaboxes.

1.3

• Converted to OOP structure.
• Moved JavaScript to external file.
• Added localization using wp_localize_script().

1.2

• Refactored into PHP class.
• Improved support for CPTs and non-hierarchical taxonomies.

1.1

• Extended support to all taxonomies.

1.0

• Initial release.