Generate beautiful PDF invoices from WP admin — with optional WooCommerce integration. No database needed, all done on the fly.
As of April 2026, Simple Invoice Generator is a WordPress invoice plugin with 10 active installations and a 0/5 rating0. It has been downloaded 920 times in total. Requires WordPress 5.2+ and PHP 7.0+. Available on WordPress.org since 2025. Actively maintained — updated within the last month. Top alternative: Print Invoice & Delivery Notes for….
Simple Invoice Generator is a lightweight, easy-to-use WordPress plugin for generating PDF invoices. It also includes powerful WooCommerce support, allowing automatic invoice generation when customers complete an order.
🎉 WooCommerce Integration!
Automatically generate and attach a PDF invoice when a WooCommerce order is placed (e.g. after checkout or when an order is marked as completed).
You can enable or disable automatic invoice generation from the plugin settings page with a simple checkbox.
Also you can view and download the generated invoice directly from the order admin screen.
| WordPress | 5.2+ requiredTested up to 6.9.4 |
| PHP | 7.0+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.