One of the best PDF invoice plugins for WooCommerce is WooCommerce PDF Invoices & Packing Slips because it automatically generates and attaches professionally formatted PDF invoices to order emails. It supports customizable templates, sequential invoice numbering, and bulk invoice downloads. Another excellent option is PDF Invoices & Packing Slips for WooCommerce by WebToffee, which adds flexible template designs, multiple languages, and tax support. Sliced Invoices is also strong for more complex invoicing needs. The ideal plugin depends on your requirements—automatic email attachments, customization options, multi‑language support, or accounting integrations—so choose based on your store’s invoicing workflow and compliance needs.
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