Best free SKU and barcodes Shopify apps in 2026 [Updated]

The Best Free Shopify SKU and barcode apps help merchants efficiently manage product identification and labeling needs. From generating custom SKUs and printing retail barcode labels to creating QR codes and managing GS1-compliant identifiers, these essential tools simplify inventory tracking and order fulfillment. Whether you need UPC/EAN codes for marketplace listings, bulk SKU generation, or customizable label printing, these free apps offer practical solutions for both small and growing Shopify stores.