Description
Free WooCommerce e-invoice plugin for EU B2B compliance (EN16931 / UBL 2.1 / PEPPOL).
EU B2B electronic invoicing is being mandated across every member state: Italy already requires it (2019), Germany requires receiving since Jan 2025, France phases in 2026-2027, Poland from Feb 2026, Belgium from Jan 2026. By 2030 under ViDA (VAT in the Digital Age) every EU B2B transaction must be electronic. If you sell WooCommerce products to EU businesses, you need to generate compliant XML invoices - and soon.
Why EU Invoice for WooCommerce beats the alternatives: the WooCommerce ecosystem has almost nothing for EN16931 e-invoicing. Existing options are either €35/month subscriptions from PEPPOL Access Point providers (Storecove, ecosio) OR paid plugins launched weeks ago with no track record. This is the only free WordPress plugin that generates full EN16931-compliant UBL 2.1 XML with the PEPPOL BIS Billing 3.0 profile - HPOS native, Cart/Checkout blocks compatible, zero external calls.
Fully compatible with WooCommerce HPOS and Cart/Checkout blocks
Written from the ground up against WooCommerce HPOS (High-Performance Order Storage). Order metabox works on both the new HPOS-based admin AND the legacy CPT admin. Cart/Checkout blocks compatibility declared via FeaturesUtil.
What you get for free
- UBL 2.1 XML generator conforming to the EN16931 semantic model (CustomizationID: urn:cen.eu:en16931:2017).
- PEPPOL BIS Billing 3.0 profile - ready for PEPPOL network delivery via any Access Point provider (Storecove, ecosio, Anexo).
- Order edit screen metabox with "Download UBL 2.1 XML" button.
- Auto-attach to order emails - customer receives the XML alongside their order confirmation.
- Orders list "EU Invoice" column with per-row download link.
- EN16931 tax category codes auto-applied (S / Z / E / AE / K / G / O).
- Configurable seller identity - company name, VAT ID, tax registration, address, IBAN, BIC.
- Deterministic invoice numbering with configurable prefix.
- Zero third-party services - all XML generation happens on your server.

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