PDF InvoiceX is a free WooCommerce PDF invoice plugin that automates your entire billing workflow. Generate, send, and manage PDF invoices, credit notes, and packing slips — all from within WooCommerce, with no monthly fees.

Whether you run a small shop or a high-volume store, PDF InvoiceX handles invoice numbering, VAT/GST compliance, bulk exports, and customer-facing downloads out of the box.

📄 PDF Invoices

Auto-generate invoices when orders reach any configured status (e.g. Processing, Completed).
Sequential invoice numbering with prefix, suffix, and optional yearly counter reset (e.g. 2025-000001).
Download or view invoices from the WooCommerce admin, My Account page, and the Thank You / order-received page.
Inline PDF preview — opens in a new tab without leaving the page.
Regenerate any invoice on demand, bypassing the cache.
Send Invoice to Customer directly from the order edit screen — no duplicate email sends.

📋 Credit Notes

Auto-generated when an order is refunded (configurable in Advanced settings).
Per-refund breakdown: items refunded, quantities, refund reasons, and totals.
Available for download from the order edit screen.

📦 Packing Slips

Pricing-free shipping document for warehouse use — shows product name, SKU, variant options, and quantity.
Ship-from and ship-to address blocks included.
Enable via Advanced settings; appears on order edit screen and customer My Account.

🎨 Invoice Templates

4 built-in templates: Default, Modern, Classic, Colorful.
Live preview in the settings panel before applying.
Override-safe: template variables are injected at render time — no class coupling, easy to extend with custom templates via the pdfinvx_templates filter.

📧 Email Attachments

Attach PDF invoices to any WooCommerce transactional email — fully configurable per email type.
Dedicated Send Invoice to Customer button on the order edit screen.

⚡ Bulk Invoice Generation

Select multiple orders Generate PDF Invoices download as a ZIP.
Background processing via Action Scheduler — handles large order volumes without PHP timeouts.
Synchronous fallback for sites without Action Scheduler.

🧾 VAT / GST & Compliance

Display your store VAT or GST registration number on every invoice.
Optional customer VAT / GST field at checkout, stored to order meta and printed on the invoice.
Paper size selector: A4, Letter, or Legal.
WooCommerce HPOS (High-Performance Order Storage) compatible.
Fully translatable — includes a complete .pot file with 100+ strings.

Why PDF InvoiceX?

Most WooCommerce invoice plugins charge $49–$99/year for features like credit notes, packing slips, VAT fields, or bulk exports. PDF InvoiceX provides all of these for free, with clean code that follows WordPress and WooCommerce coding standards.

✅ No subscription or licence fee
✅ HPOS compatible
✅ Works with WooCommerce Subscriptions
✅ Action Scheduler integration for large stores
✅ Plugin Check (PCP) compliant

License

This plugin is licensed under the GPLv2 or later. See the LICENSE file for details.