Description
Most WooCommerce filter plugins are heavy, slow, or overloaded with features you don’t need.
Janssen Fast Filters is built differently.
It delivers fast AJAX product filtering with clean architecture, optimized queries, AND logic, and auto-apply — without page reloads and without unnecessary bloat.
An ideal alternative to the default WooCommerce layered navigation widget.
Core Features (Free)
- AJAX filtering — no page reloads
- AND filter logic (combine multiple attributes intelligently)
- Auto-apply filters (no “Apply” button required)
- Category filter with optimized hierarchical rendering
- Product attribute filters (color, size, custom attributes, etc.)
- Price range slider with min/max inputs
- Sort by price, popularity, rating, or date
- Mobile-friendly slide-in filter panel
- Active filters display with one-click removal
- Gutenberg block for easy placement
- Fully translatable
Why Choose Janssen Fast Filters?
- Performance-first architecture
- Optimized database queries
- Lightweight — no frameworks, no unnecessary dependencies
- Built for scalability and large product catalogs
- Clean, maintainable codebase
- Accessible (ARIA labels + keyboard navigation)
- Mobile-first UX
Designed for developers, store owners, and growing WooCommerce businesses that care about speed and maintainability.
Pro Extension
The Pro version adds advanced features for growing stores:
- Theme-aware WooCommerce product rendering
- Filter presets
- Live product counts
- Query caching layer
- Advanced customization options
Built for high-traffic stores and larger catalogs.
Screenshots
Blocks
This plugin provides 1 block.
- Product Filter A high-performance product filter for WooCommerce.
Installation
- Upload the
janssen-fast-filters-for-woocommercefolder to/wp-content/plugins/ - Activate the plugin through the Plugins menu in WordPress
- Add the “Product Filter” block using the block editor
- The filter automatically works on WooCommerce shop and category pages
FAQ
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Does this work with WooCommerce?
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Yes. WooCommerce 7.0 or higher is required.
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Does it use AJAX?
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Yes. All filtering happens instantly without page reloads.
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Does it support AND filter logic?
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Yes. Multiple attribute selections are combined using AND logic for precise filtering.
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Is auto-apply included in the free version?
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Yes. Filters can be applied automatically without requiring users to click an “Apply” button.
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Can I filter by custom attributes?
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Yes. All registered WooCommerce product attributes are automatically available.
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Is it mobile friendly?
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Yes. The filter panel slides in on mobile devices with touch-friendly controls.
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Does it work with the block editor?
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Yes. Simply add the “Product Filter” block to any page or template.
Reviews
There are no reviews for this plugin.
Contributors & Developers
“Janssen Fast Filters for WooCommerce” is open source software. The following people have contributed to this plugin.
Contributors
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Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.
Changelog
1.2.0
- Added a versioned product-render handoff for compatible extensions
- Kept Free in control of requests, state, pagination, loading, and fallback cards
- Preserved generic cards when Pro or a compatible theme renderer is unavailable
- Kept cached responses free of stale extension or theme markup
1.1.1
- Fixed duplicate DOM and bootstrap IDs when multiple filter blocks render on one page
1.1.0
- Added canonical per-block frontend state with server-rendered bootstrap data
- Added root-scoped lifecycle events, extension actions, and versioned PHP hooks
- Preserved WooCommerce archive context throughout REST queries and cache keys
- Isolated requests across multiple filter blocks and prevented stale responses from rendering
- Fixed pagination controls submitting the filter form and resetting active filters
- Retained compatibility shims for existing integrations
1.0.7
- Fixed the no-results message remaining hidden after a successful zero-product AJAX response
- Verified compatibility with WordPress 7.1 and WooCommerce 11.0.1
1.0.6
- AND filter logic and auto-apply are now fully available in the free version
- Removed Presets UI from Free editor (visible only when Pro extension is active)
- Fixed showPresets block attribute default to false
- WordPress.org compliance improvements
1.0.5
- Renamed plugin to Janssen Fast Filters for WooCommerce
- Category hierarchy rendered as optimized accordion tree (single-query, N+1 free)
- UX polish: improved spacing and animation refinements
- Added Requires Plugins header for compliance
1.0.4
- Renamed hooks to janssenff_* prefix for compliance
1.0.3
- Trademark compliance updates
1.0.2
- Improved loading and no-results states
- Better mobile touch targets
- Removed static term counts for cleaner UX
- Code cleanup and compliance improvements
1.0.0
- Initial release
- AJAX product filtering
- Category, attribute, and price filters
- Mobile-responsive design
- Gutenberg block support