POGuard checks purchase-order line items against your Shopify product catalog before fulfillment. Upload a CSV, XLSX, or text-based PDF, confirm the item-code and quantity columns, then review every detected issue. The app flags unknown item codes and quantities that do not match your saved case-pack multiples. Files are processed in your browser, and POGuard never creates or edits orders.

• Match incoming item codes to Shopify SKUs and saved aliases
• Flag quantities that break saved case-pack multiples
• Export a reviewed CSV only after every line is resolved