Polish KSeF e-Invoice for WooCommerce

KSeF e-invoices for Polish sellers.

Prepare Polish KSeF (Krajowy System e-Faktur) e-invoices from WooCommerce orders. Builds the invoice data model and stores it; connect your KSeF API token to submit. HPOS-ready, no jQuery.

Free Compliance
Email one feature the free version lacks Notify me when it's released Try it on the demo store →

Built by a store owner, not a plugin company — every CartMend plugin runs live on my own store, stickitsibiu.ro. — Manu

Why this plugin

Built for one specific job. No bloat. Tested on WP 6.5+ and WooCommerce 8+. Block and classic checkout supported.

No subscriptions

No subscriptions. No renewal traps.

Block + classic checkout

Works on both Block Checkout (modern) and Classic Checkout. No JS hacks.

Free vs Pro — what you actually get

FeatureFree (WP.org)Pro
Core functionality✓✓
Free updates for lifeFree updatesFree updates
Multi-site usage1 site1 site (default), more on request
Priority support—✓
Advanced rules—✓
Auto-submit invoices to KSeF (Poland)—✓
Multi-format support—✓
Validation before submit—✓
Status sync—✓
Audit log for tax authority—✓

Questions, answered

Will it work with my theme/checkout?

Yes. CartMend plugins work with classic AND block checkout, including modern themes like Storefront, Astra, Kadence, Blocksy, and Divi. We test on WP 6.5+ and WooCommerce 8+.

Is HPOS supported?

Yes. All CartMend plugins are HPOS-compatible (High-Performance Order Storage). You can enable HPOS without breaking anything.

Is there a paid version?

Not right now. The plugin is free.

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Stop overthinking. Get it done.

No subscriptions. No subscription traps.