Misha Rudrastyh

The category filter block allows you to filter posts displayed with the standard Query Loop block by category, without a page refresh. The Interactivity API is fully supported.
<h4>Features</h4>
✅ 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) 
✅ Sticky positioning 
✅ Block styles customization (Font size, Padding, Margin) 
✅ The block can add parameters to the page URL, for example, ?filter-category=travel
The plugin also has a PRO version, its main difference is that it supports filtering by any custom taxonomy – Tags, Product Categories, Product Tags, Brands, etc. It has a bunch of other features too.
<h4>Pro features</h4>
✅ 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).
🚀 <a href="https://rudrastyh.com/plugins/taxonomy-filter-block" rel="nofollow ugc">Upgrade to Pro</a>

Category Filter Block

Just a simple category filter block with the Interactivity API support.

Nirav Kaneriya

AJAX Post Search and Filter lets you add powerful, fast post filtering to any page using a shortcode. No page reloads — everything loads instantly via AJAX.
Free Features:
<ul>
<li>3 Filter Types — Checkbox (multi-select), Radio (single-select), Select dropdown</li>
<li>Per-taxonomy filter type — each taxonomy can use a different filter type</li>
<li>Author filter (checkbox, radio, or select)</li>
<li>Date range filter with quick presets (Today, Yesterday, Last 7 days, Last Month, etc.)</li>
<li>Sort by — Newest, Oldest, Title A–Z, Title Z–A</li>
<li>Results count — “3 results out of 12”</li>
<li>Active filter chips with remove button</li>
<li>Collapsible filter groups</li>
<li>Reset All Filters button</li>
<li>Show More / Show Less for long term lists</li>
<li>1, 2 or 3 column grid layout</li>
<li>Load More button or Infinite Scroll</li>
<li>Post meta on card — author name and post date (customizable format)</li>
<li>Fallback image for posts without thumbnail</li>
<li>Exclude specific posts by ID</li>
<li>Include only specific posts by ID</li>
<li>RTL (right-to-left) layout support</li>
<li>Full style customization via admin panel</li>
<li>Custom CSS editor</li>
<li>Shortcode Generator with save/restore</li>
</ul>
Shortcode Example: 
 [ajaxpose_post_filter post=”post” taxonomy=”category” cols=”3″ filter_type=”radio”]
Filter type per taxonomy: 
 [ajaxpose_post_filter taxonomy=”category,post_tag” taxonomy_config='{“category”:”radio”,”post_tag”:”select”}’]
<h3>Shortcode Parameters</h3>
<ul>
<li>
<code>post</code> (default: <code>post</code>) 
Post type(s), comma-separated
</li>
<li>
<code>taxonomy</code> (default: <code>category</code>) 
Taxonomy/ies, comma-separated
</li>
<li>
<code>filter_type</code> (default: <code>checkbox</code>) 
checkbox, radio, or select
</li>
<li>
<code>taxonomy_config</code> 
Per-taxonomy type override (JSON)
</li>
<li>
<code>cols</code> (default: <code>3</code>) 
1, 2 or 3 columns
</li>
<li>
<code>per_page</code> (default: <code>6</code>) 
Posts per page
</li>
<li>
<code>load_type</code> (default: <code>button</code>) 
button or scroll
</li>
<li>
<code>logic</code> (default: <code>separate</code>) 
separate (OR) or common (AND)
</li>
<li>
<code>show_author_filter</code> (default: <code>0</code>) 
1 = show author filter
</li>
<li>
<code>show_date_filter</code> (default: <code>0</code>) 
1 = show date range filter
</li>
<li>
<code>show_sort</code> (default: <code>1</code>) 
0 = hide sort dropdown
</li>
<li>
<code>collapsible</code> (default: <code>0</code>) 
1 = collapsible filter groups
</li>
<li>
<code>show_thumbnail</code> (default: <code>1</code>) 
0 = hide thumbnail
</li>
<li>
<code>thumb_size</code> (default: <code>medium</code>) 
WP image size
</li>
<li>
<code>fallback_image</code> 
URL for posts without thumbnail
</li>
<li>
<code>show_author_meta</code> (default: <code>0</code>) 
1 = show author on card
</li>
<li>
<code>show_date_meta</code> (default: <code>0</code>) 
1 = show date on card
</li>
<li>
<code>date_format</code> (default: <code>d-m-Y</code>) 
PHP date format string
</li>
<li>
<code>search_placeholder</code> (default: <code>Search...</code>) 
Search input placeholder
</li>
<li>
<code>rtl</code> (default: <code>0</code>) 
1 = right-to-left layout
</li>
<li>
<code>exclude</code> 
Post IDs to exclude, e.g. 5,10,23
</li>
<li>
<code>include</code> 
Show only these post IDs, e.g. 1,2,3
</li>
</ul>

AJAX Post Search and Filter


[ajaxpose_post_filter post="post" taxonomy="category, test" logic="saprate" load_type="button" per_page="3"]


Shortcode use for this

Lightning-fast AJAX post filtering — no page reload. Checkbox, radio and select filters, date range, sort, exclude/include and RTL support.

Category Filter Block vs AJAX Post Search and Filter