PDF Invoice Japan for WooCommerce is a free WordPress plugin designed to streamline invoice management for online stores operating under the Japanese invoicing system. This plugin automatically generates PDF invoices upon order receipt, ensuring compliance with the new invoicing regulations effective from OctoberKey features include the registration and display of individual registration numbers, the capability to send PDF invoices via email for various order statuses, and support for refund invoices. Additionally, it accommodates discounts through coupons and includes shipping costs in the invoice calculations.

The plugin utilizes TCPDF for creating invoices and offers customizable templates, allowing users to modify the PDF output to fit their branding needs. It is compatible with marketplace-type sites and integrates seamlessly with WooCommerce. Users can experience its functionality through live site testing, making it a practical choice for businesses looking to enhance their invoicing processes.