Free Barcode generator

Field guides

Barcode guides

Start where your labeling workflow breaks: the spreadsheet, the barcode format, the printer or the receiving system.

01Spreadsheet data

Keep leading zeros in Excel

Import a CSV without losing digits. Check whether a shortened number can be restored.

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02Barcode formats

Choose a barcode format

Compare Code 128, EAN-13, UPC-A and Code 39 using real label examples.

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03Thermal printing

Print labels that scan

Set label size and DPI, then diagnose margins, streaks and poor contrast.

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04Inventory labels

SKU, GTIN or FNSKU?

Choose the right identifier for a warehouse bin, retail item or fulfillment label.

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