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local_library The Label Codes Library

Better labels, cleaner scans, fewer reprints.

Practical guides for barcode labels, QR codes, inventory tags, spreadsheet imports, and print-ready layouts.

Thermal label printer with printed barcode and QR labels on a clean packing station
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Built around the label workflow

The blog is organized by the real decisions teams make before labels reach a shelf, box, asset, or printer.

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Data first

Prepare SKUs, asset IDs, batches, and spreadsheet columns before designing the label.

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Code clarity

Choose the right barcode or QR format, size it correctly, and leave enough quiet space.

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Print confidence

Match layouts to label stock, printer behavior, and the way labels are applied in the field.

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Browse by workflow

Filter articles by the part of the labeling process you are working on.

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Latest articles

New practical notes from the Label Codes team.

Ilustración sobre la compatibilidad de lenguajes de impresoras térmicas
Configuración de impresora 1 sept 2026

Lenguajes de impresoras térmicas: ZPL, EPL, TSPL y más

Una impresora puede conectarse sin problemas y aun así no imprimir nada si no entiende los datos. Así se diferencian los principales lenguajes de impresoras de etiquetas, dónde ayuda la emulación y qué conviene soportar primero.