Inventory, barcodes, and
running better stores.
Practical writing from the gookit team. Tutorials, case studies, honest takes.
Fix the EAN-13 Check Digit Error on Shopify Labels
Getting "Incorrect EAN-13 check digit provided" when printing Shopify barcode labels? Here's what the error actually means and the right fix for your setup.
Print Barcode Labels from a Shopify Order (Match Line Item Quantities)
Print exactly the labels you need for a Shopify order — 1 of A, 25 of B, 3 of C — without hand-selecting each SKU. Here's how to set up the order-based flow in Barcodeman.
Retail Barcode Labels Alternative: Migrating to Barcodeman
Shopify's Retail Barcode Labels app is a great starting point, but you hit its ceiling the first time you need a Rollo, a Zebra, a custom size, or a metafield. Here's when — and how — to switch.
Rollo Printer Setup for Shopify Barcode Labels
Most Shopify barcode apps only support DYMO sizes. Here's how to set up any Rollo printer with Barcodeman — custom label sizes in mm or inches, ten-minute setup.
Stocky Shutdown (Aug 2026): Keep Printing Shopify Labels
Shopify retires Stocky in August 2026. The real Stocky replacement for Shopify barcode labels isn't another third-party app. Here's what to do.
Variant-Aware Scan-to-Print for Shopify (Skip the Picker)
If scanning a Shopify variant barcode opens a picker instead of jumping to the right label, the fix is usually on the Shopify side, not the app. Here's how to set it up properly.
Zebra ZD410 & ZD420 Setup for Shopify Barcode Labels
Zebra printers rotate labels even when you pick Portrait. Here's the setup flow for ZD410, ZD420, and ZD421 on Shopify — plus the rotation fix that trips up every new Zebra user.
Why Shopify merchants need barcode labels (and when they don't)
The real cost of running a Shopify store without barcodes, and how to tell if you actually need them yet.