Extra Product Options is the most powerful WooCommerce customization plugin, trusted by 36,500+ stores. Let customers personalize products with conditional logic, dynamic pricing, file uploads, swatches, repeaters, and real-time calculations — no coding needed. Boost AOV by 32%, reduce returns by 45%, and create standout buying experiences. Key features: advanced conditional logic, math formulas, lookup tables, floating totals, shipping adjustments, and full theme compatibility.