Free WordPress Plugins

10+ Best Free WordPress PDF Invoice & Packing Slip Plugins

  • Updated: January 19, 2026
  • Reading Time: 2 mins

In 2026, providing a professional post-purchase experience is just as important as the sale itself. For e-commerce owners, manual invoicing is a time-consuming bottleneck that can lead to errors and compliance issues. Using a dedicated PDF invoice plugin allows you to automate the generation of essential documents—invoices, packing slips, and delivery notes—the moment an order is placed. These tools not only save hours of administrative work but also reinforce your brand identity by allowing you to add logos, custom footers, and professional layouts to every document. Furthermore, for those selling internationally, these plugins often handle complex tax requirements like VAT or GST, ensuring your business stays legally compliant without extra effort.

WooCommerce PDF Invoices & Packing Slips

This is the most popular and highly-rated PDF invoicing plugin for WooCommerce. It automatically attaches a PDF invoice to the order confirmation emails sent to your customers. The plugin is designed to be developer-friendly while remaining accessible to beginners, offering a basic template that can be customized via HTML/CSS. It handles the generation of packing slips in bulk, which is essential for streamlined warehouse operations. With a focus on reliability and standard compliance, it ensures that your transactional documents look professional and are delivered consistently. It also includes support for multiple languages and sequential invoice numbering.

Features

Automatically attach PDF invoices to WooCommerce emails. Bulk generate and download invoices and packing slips. Fully customizable HTML/CSS invoice templates. Sequential invoice numbering with custom formatting. Available in over 18 languages for global stores.

PDF Invoices and Packing Slips For WooCommerce

Developed by WebToffee, this plugin provides a robust set of tools for generating invoices, packing slips, and even shipping labels. It stands out for its user-friendly interface that allows store owners to toggle specific order details on or off without touching code. The plugin supports various paper sizes and provides preview options to ensure documents look correct before they reach the customer. It is built to handle the complexities of international tax and shipping requirements, making it a reliable choice for growing e-commerce businesses that need more than just basic document generation.

Features

Generate invoices, packing slips, and shipping labels. Simple toggle-based customization for document fields. PDF preview feature for administrative review. Supports multiple paper sizes (A4, Letter, etc.). Automated email attachment for seamless customer delivery.

Challan – PDF Invoice & Packing Slip for WooCommerce

Challan, created by WebAppick, is a high-performance invoicing solution that focuses on speed and professional design. It allows for the automatic creation of invoices, packing slips, and shipping labels the moment an order is placed. One of its standout traits is the ability to easily add your brand logo and custom footer notes to the documents. The plugin is optimized to handle large volumes of orders without slowing down your site’s performance. It also offers a highly organized settings panel, making it easy to manage tax display, currency symbols, and date formats across all documents.

Features

Instant PDF generation upon order status changes. Support for bulk downloading of shipping and invoice documents. Easy branding with custom logos and typography. Optimized for high performance and low server resource usage. Clear tax and discount breakdown in the invoice table.

This plugin is a versatile solution for managing all types of shipping documents. Beyond standard invoices, it excels at creating picklists, delivery notes, and address labels. It provides a dedicated "print" button in the WooCommerce order list, allowing for rapid physical document production in a retail or warehouse setting. The templates are clean and modern, designed to be read easily by both customers and shipping carriers. It’s particularly useful for shop owners who fulfill physical orders manually and need a variety of document formats to keep their workflow organized.

Features

Comprehensive support for picklists and delivery notes. Integrated "Quick Print" buttons in the order management screen. Customizable address labels for shipping packages. Simple template editor for branding and layout adjustments. Automatically includes VAT and tax information as required.

PDF Invoice & Packing Slip Generator Lite

The Lite version of this generator focuses on providing a clean, distraction-free invoicing experience. It is built for store owners who want a straightforward way to provide digital invoices to their customers without complex configuration. The plugin automatically generates PDF documents and links them to the customer's "My Account" page, reducing support requests for lost invoices. It maintains a professional aesthetic while ensuring that all essential WooCommerce order data, including product variations and tax details, are accurately represented in the final PDF.

Features

Automatic PDF generation and email attachment. Customer access to invoices via the "My Account" area. Supports both A4 and Letter page formats. Simple branding options for logos and company details. Lightweight code for fast document rendering.

Woo PDF Invoice Builder

Unlike most other plugins that rely on pre-set templates, Woo PDF Invoice Builder features a unique drag-and-drop builder interface. This allows you to visually design your invoice layout, placing elements like product tables, logos, and order totals exactly where you want them. It is a powerful tool for those who have specific branding requirements and want total control over the document's appearance without writing code. The builder is intuitive and provides a live preview, making the design process significantly faster for non-technical users.

Features

Drag-and-drop visual builder for total layout control. Live preview of the PDF while you design. Ability to insert custom fields and static text blocks. Multiple document support (Invoices, Packing Slips). Highly flexible styling options for fonts and colors.

Invoize – PDF Invoices & Packing Slips for WooCommerce

Invoize is a modern and stylish invoicing plugin that emphasizes high-quality typography and layout. It is designed for boutique stores and premium brands that want their invoices to reflect their high standards. The plugin provides a selection of beautiful templates that are both mobile-friendly and print-ready. It includes features like bulk processing and automatic email sending, but its primary draw is the visual appeal of its documents. It handles complex WooCommerce data gracefully, ensuring that discounts, shipping fees, and taxes are neatly organized.

Features

Premium, aesthetically pleasing invoice templates. Real-time PDF preview within the admin dashboard. Bulk download and print functionality for orders. Simple setup with pre-configured professional layouts. Support for custom CSS for advanced design tweaks.

WooCommerce PDF Invoices

This plugin focuses on providing a professional, standardized invoicing solution that integrates deeply with WooCommerce. It is known for its reliability in generating legal-compliant documents. The plugin allows for automatic invoice generation based on specific order statuses (e.g., when an order is "Completed" or "Processing"). It also provides extensive options for managing invoice numbers, including the ability to reset them annually or use specific prefixes. It is a "workhorse" plugin that is ideal for stores that require a high degree of automation and strict adherence to document numbering rules.

Features

Trigger invoice generation based on specific order statuses. Advanced invoice numbering (prefixes, suffixes, and padding). Professional templates that meet legal accounting standards. Option to manually generate or delete invoices. Comprehensive tax and currency formatting options.

PDF Invoicing for WooCommerce

This plugin provides a solid foundation for digital invoicing with a focus on ease of installation and configuration. It handles the generation of invoices and packing slips with a minimal footprint on your server. One of its best use cases is for stores that need a simple "off-the-shelf" solution that works immediately upon activation. It allows for basic customization such as adding a header and footer, but keeps the process simple enough that you can have professional invoices ready in minutes. It is a great entry-level plugin for new e-commerce ventures.

Features

Plug-and-play functionality with minimal setup required. Automatically generates invoices and packing slips. Custom header and footer areas for company details. Sequential and customizable invoice numbering. Secure PDF generation to protect customer data.

Implementing an automated invoicing system is one of the easiest ways to professionalize your WordPress store and reduce your daily workload. Whether you need a simple tool for basic packing slips or a robust system that handles international tax compliance, the free plugins available in 2026 offer enterprise-level features at no cost. For most WooCommerce users, WP Overnight’s PDF Invoices provides the most stable starting point, while those needing more design flexibility should look toward the WooCommerce PDF Invoice Builder. By choosing the right tool now, you ensure that as your business scales, your documentation process remains seamless and error-free.