Consider whether LBL format is truly necessary for your workflow. If you only need to print labels occasionally or share designs with others, PDF may be a perfectly adequate format.
If your converted LBL file prints labels that warehouse scanners reject, the printer is treating the barcode as a regular picture. Delete the imported image of the barcode in your design software and replace it with a native "Code 128" or "Data Matrix" barcode object. 2. Incorrect Layout Scaling
The open-source library pdf-to-zpl enables developers to convert PDF files and images into ZPL format. This PHP-based solution renders each PDF page as an image, scales it to match the DPI and aspect ratio of the label, and converts it into a grayscaled bitmap suitable for Zebra printers.
: Often used for shipping and office organization.
If you convert a PDF barcode into an image, scaling it up or down can break the vertical lines, making it unscannable. Always test your converted LBL file with a physical barcode scanner before deploying it to production.
Once you have ZPL output, you can import it into label design software like NiceLabel or BarTender. These programs can interpret ZPL files and allow you to recreate the label design, then save it in LBL format.