Digital Lychee

OrderFlow PDF Documents (free) adds a simple, logo-ready PDF packing slip to your WooCommerce store.
Store admins can download a packing slip directly from the order screen (and optionally show it in the customer account area). 
PDFs are generated using a robust FPDI-based engine and stored inside the WordPress uploads folder.
Looking for invoices, credit notes, email attachments, and more advanced options? 
Upgrade to OrderFlow PDF Documents Pro for a full suite of professional documents.
<h3>✅ What the free version includes</h3>
<ul>
<li>PDF packing slip document type</li>
<li>Download button in the WooCommerce admin order screen</li>
<li>Optional customer download button in the My Account → Orders screen</li>
<li>Optional store logo on documents (with configurable width)</li>
<li>Store/site address block (name, tagline, URL)</li>
<li>Multi-line, wrapped product table:
<ul>
<li>Product name</li>
<li>Quantity</li>
</ul>
</li>
<li>PDFs stored in <code>/wp-content/uploads/orderflow-pdf-documents/</code></li>
<li>Automatic page numbering footer</li>
<li>HPOS (High-Performance Order Storage) compatible</li>
</ul>
<h3>🚫 Free version limitations (available in Pro)</h3>
The free version is intentionally focused on a single, simple document:
<ul>
<li>Only Packing Slip is enabled</li>
<li>Invoice and Credit Note are shown as locked (Pro-only)</li>
<li>Document labels can’t be renamed in the free version</li>
<li>No email attachments (admin or customer)</li>
<li>No test email system</li>
</ul>
To unlock these, upgrade to OrderFlow PDF Documents Pro.
Get Pro 
Purchase a licence here: 
<a href="https://woocommerce.com/products/dl-orderflow-pdf-documents-pro" rel="nofollow ugc">Buy an Orderflow PDF Documents Pro licence</a>

OrderFlow PDF Documents

Generates simple PDF packing slips for WooCommerce orders with admin download links.

libraxnet

LibraX Invoice is a clean, lightweight yet fully-featured WooCommerce invoicing plugin. It delivers Invoice, Proforma Invoice, Packing Slip, and Credit Note – all core features are completely free with no paid upsells or locked functionality.
Built for real-world e-commerce workflows, the plugin combines simplicity (only 14 core settings) with powerful, intelligent automation and excellent compatibility. It generates fast, polished, professional PDF documents while supporting complex business needs including global tax compliance and multilingual stores.
Key Features 
* Complete document suite: Invoice, Proforma Invoice, Packing Slip, and Credit Note 
* Smart generation logic – skips invoices for orders with zero total amount 
* Automatic PDF attachments to WooCommerce emails following standard e-commerce logic 
* Customers can download documents directly from My Account (Invoice, Proforma Invoice, Credit Note) 
* 5 modern, high-quality templates (Default, Alpha, Gamma, Delta, Kappa) with consistent styling across all document types 
* Bulk download Invoices & Packing Slips as ZIP from the admin order list 
* Flexible sequential invoice numbering with automatic year prefix (e.g. 20261001) and yearly reset – admin can modify the next invoice number at any time 
* Full support for global Tax ID fields (VAT, SSN, EIN, ABN, CPF, CNPJ, GSTIN, etc.) with automatic country-based labeling 
* Payment QR Code on Proforma Invoices for manually created orders (ideal for offline, service, and B2B businesses) 
* Full CJK (Chinese, Japanese, Korean) support via MiSans font 
* Company logo, primary color, custom bank details, and flexible invoice notes 
* Compatible with WooCommerce Subscriptions, Bookings, Product Add-Ons, YITH Product Add-Ons, and HPOS
Automatic Behaviors 
* Completed order → Invoice automatically attached to email 
* Refund issued → Credit Note automatically attached to refund email 
* Bank Transfer orders → Proforma Invoice attached to notification email 
* Manually created pending orders → Proforma Invoice with payment QR Code can be attached when sending order details

LibraX Invoice

Professional, fast PDF invoices, proforma invoices, packing slips, and credit notes for WooCommerce.

OrderFlow PDF Documents vs LibraX Invoice