Serial Numbers & License Keys for WooCommerce allows you to sell secret keys, license codes, and gift cards directly through WooCommerce.
The plugin supports both Simple and Variable Products, enabling different keys or rules to be assigned per variation.

Serial keys are automatically assigned when an order is completed and are displayed securely on the customer’s order page and in order emails.

The plugin operates entirely within your WordPress installation and does not transmit customer or license data to external servers.

Features

Support for Simple and Variable WooCommerce products
Automatic assignment of serial keys on order completion
Bulk generation of keys using custom patterns (e.g. KEY-####-####)
CSV import and export for easy migration
Secure storage using a dedicated database table
Clear overview of available and used keys
Compatible with standard WooCommerce order emails

Optional Extensions

Optional extensions may be available separately to add additional automation and management features.

Automatic order completion for key-based products
Low stock notifications for serial keys
Advanced key lifecycle handling (refunds and cancellations)
Integration with third-party invoice and PDF plugins

The free plugin functions independently and does not require the extension.