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Learn to Create Labels with DarkBoxKit

Our tutorials are designed to help you master DarkBoxKit, the free online tool for creating custom labels. From the initial setup to printing professional labels, our guides suit both beginners and advanced users.

By the DarkBoxKit Team, label design and printing technology specialists, August 17, 2025

1. How to Create Your First Label in DarkBoxKit

This tutorial is perfect for beginners who want to create a label from scratch. You will learn how to set up the editor, add basic elements and generate the SLP code for printing.

Steps

  1. Open the DarkBoxKit editor and set the label dimensions (e.g. 101.6mm x 76.2mm) in the "Dimensions" panel.
  2. Drag a "Text" element from the left panel into the design area.
  3. Click the text to edit properties such as font, size and content in the right panel.
  4. Click "Generate Code" to get the SLP code ready for your printer.

By the DarkBoxKit Team, August 10, 2025

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2. Adding Barcodes and QR Codes

Create dynamic labels with barcodes and QR codes for tracking or marketing. This guide covers the most common formats and how to set them up correctly.

Steps

  1. Drag the "Barcode" or "QR Code" element into the design area.
  2. Select the code type (e.g. EAN-13, CODE 39) in the properties panel.
  3. Enter the code content (e.g. a URL for a QR code or a number for a barcode).
  4. Adjust the size and position for compatibility with your printer.

By the DarkBoxKit Team, August 12, 2025

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3. Saving and Loading Projects

Save time by saving your projects for reuse. This tutorial explains how to save and load label layouts efficiently.

Steps

  1. After creating your label, click "Save" in the top menu.
  2. Give the project a name and confirm.
  3. To reuse it, click "Load" and select the saved project.
  4. Organize your projects with descriptive names for easy access.

By the DarkBoxKit Team, August 15, 2025

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4. Optimizing Labels for Printing

Get high-quality prints with precise adjustments. This guide covers DPI settings and troubleshooting common problems.

Steps

  1. Select the correct DPI (e.g. 300 DPI) in the "Dimensions" panel.
  2. Adjust margins to avoid cut-off prints.
  3. Test the SLP code on your Seiko printer before mass production.
  4. Check for common errors, such as unsupported fonts, with the viewer.

By the DarkBoxKit Team, August 17, 2025

Read the full tutorial »