GigantFilter – Product Filter and SEO Pages for OpenCart

Powerful AJAX product filter for OpenCart with SEO landing pages.
GigantFilter improves navigation, increases conversion, and boosts search rankings with SEO-friendly URLs, meta tags, and fast performance. Fully compatible with any template, mobile-ready, and easy to configure.

★ Free installation, configuration, and template integration for the first 3 customers.

Demo: click here

Filtering Options

Price — including special prices, quantity discounts, and taxes
Manufacturers — with optional brand logo display
Stock availability — by product quantity or stock status (with option to hide “Out of stock”)
Product rating — from 1 to 5 stars, including “No rating” option
New arrivals — configurable period in days
Discounts — based on special prices and/or quantity discounts
Weight & dimensions — length, width, height with customizable units
Attributes — supports multi-values with up to 3 separators (e.g. “Cotton, Polyester” or “S / M / L / XL”)
Product options
Standard OpenCart filters

Each filter can be configured individually:
name per language, status, sort order, and display type.

Supported Pages

The module works on:
Category pages
Manufacturer pages
Special offers (promotions)
Search results

SEO Landing Pages

Create SEO pages with SEO-friendly URLs, meta tags (title, description, keywords), and custom descriptions
Display links to SEO pages inside the filter module or on category pages (above products, below products, or both)
Customizable link block title for each language
Breadcrumbs adapted for SEO pages
Canonical and noindex management for filtered pages
Automatic XML sitemap generation for SEO pages

Mobile Version

Customizable breakpoint (in pixels)
Gesture support and closing by tapping outside the filter
Custom mobile button text per language

Appearance & Layout

4 built-in themes: Standard, Light, Light Blocks, GigantStore
2 layouts: sidebar and horizontal
Active filters panel (tags) with reset button
Collapsible filter blocks
“Show more” for values and filters
Automatic column splitting for values
Support for color swatches and images (customizable size)
Automatic scroll to top after applying filters

AJAX & Performance

AJAX filtering — no page reload
AJAX pagination — sorting, pagination, and limits without reload
Lazy loading of filters — improves PageSpeed
Batch product loading (Beta) — single SQL query instead of multiple
Result caching with manual cache clearing
Auto-apply mode or manual “Apply” button

Template Integration

Compatible with all OpenCart templates
For custom themes — simply specify CSS selectors in settings
No template file modifications required

Tools & Synchronization

Copy attributes to filters (include/exclude modes)
Copy standard OpenCart filters
Copy product options (with stock support)
Configure filter types and statuses during import
Replace existing filters if needed
Cron support for automatic synchronization (PHP/Wget with security key)

Additional Features

Does not overwrite core files — uses OCMOD with minimal changes
Hide inactive (zero product count) values
Hide filters with a single value
Option to show only in-stock products
Flexible filter scope: assigned categories, inherited, or final categories only
Sliders for numeric filters (price, weight, dimensions)
No jQuery — lightweight native JavaScript

Compatibility

Compatible with OpenCart 3.x and its distributions (ocStore, LiveStore, etc.).
Works with any template.

License

The license allows usage on one domain, plus one test domain for setup and testing.