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Code 128 Barcode Generator

Generate a Code 128 barcode locally, then download SVG or PNG, prepare a batch, or print it as a label.

Your content is processed locally and is not uploaded.
Output format

Your code appears here

Waiting for input

Processed locally. Barcode values are generated in this browser.

Generate a Code 128 identifier

Code 128 is suited to compact printable ASCII identifiers. The shared generator renders the barcode locally and can decode-verify the generated output before download.

Single barcode

Enter an identifier and download a PNG or scalable SVG.

Physical guidance

Adjust bar width and height, then test the real print and scanner combination.

Continue the workflow

Use Batch for a column of values or Labels for PDF and ZPL output.

Specifications

Characters
Validation supports printable ASCII with practical width guidance up to 80 characters.
Downloads
PNG and SVG for a single generated barcode.
Verification
Generated output is locally decoded and compared with the intended value where supported.

Common questions

Is Code 128 a retail GTIN format?

No. Use EAN-13 or UPC-A only when the required retail identifier and check digit are available.

Can I make many Code 128 barcodes?

Yes. Batch supports a fixed Code 128 format or a mapped Format column.

Related tools for validation, batches and labels. Bulk Barcode Generator · Barcode Label Generator · Barcode Validator