Code 39 Generator

Create a Code 39 barcode for equipment tags and systems that expect this format.

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Your barcode starts here.

Your data stays in your browser

Barcode value

Enter your own text or number to update the preview.

Barcode type

Download format

Code 128 is a handy choice for everyday labels and inventory.

Label title optional

Show value below barcode

Advanced options Plain · Standard

Label template

Label background

Layout & edges

Standard fits linear bars without side padding. Padded adds clear space around the barcode.

Extra title gap (px)

Extra value gap (px)

Side margin (px)

Applies equally to the left and right at 1× resolution. Use 0 for no extra side padding.

Print size

Sizing

Width and height stay linked to prevent distortion. The size includes the title, visible value and scanning margins. For exact physical sizing, print PDF or SVG at 100%.

Image resolution

✓ No watermarks. Always yours.PNG · SVG · JPG · WebP · GIF · BMP · TIFF · PDF

How to use this generator

Use uppercase letters, digits, spaces, or the symbols - . $ / + %. Enter the value exactly as your system expects it, including any leading zeros.