Just a simple category filter block with the Interactivity API support.
As of April 2026, Category Filter Block is a WordPress filter plugin with 40 active installations and a 5/5 rating from 1 reviews. It has been downloaded 1.4K+ times in total. Requires WordPress 6.5+ and PHP 7.0+. Available on WordPress.org since 2025. Recently updated within the last 3 months. Top alternative: HUSKY – Products Filter Professional….
The category filter block allows you to filter posts displayed with the standard Query Loop block by category, without page refresh. The Interactivity API is fully supported.
✅ The category filter can be displayed as links or as a select dropdown field.
✅ You can display a post count number near each category.
✅ Custom All Categories text
✅ Works without page refresh (AJAX + Interactivity API)
✅ Custom taxonomies are supported.
✅ Multiple taxonomy filters within the same Query Loop.
✅ Sort categories (terms) in the filter alphabetically, by post count, or in a custom order.
✅ The filter can be displayed as buttons with the possibility of style customization (color, background color, border, border radius, etc).
| WordPress | 6.5+ requiredTested up to 6.9.4 |
| PHP | 7.0+ required |
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