Free Code 128 Barcode Generator Online

Generate Code 128 barcodes online for products, labels, or inventory. Enter your data and download high-quality barcode images for free.

Generate one barcode instantly from a single value.

Generate multiple barcodes at once using line-by-line input.

Automatically generate barcode sequences using start, end, prefix, suffix, and increment.

Free Code 128 Barcode Generator - Create High-Density Barcodes Online

Fj-techtools provides a free Code 128 barcode generator tool. You can easily create Code 128 barcodes for inventory, logistics, or product labeling. Generate a single barcode or bulk sequences instantly.

Barcode Generation Modes for Code 128

Code 128 barcodes can be generated as a single barcode, in bulk, or as a sequential series. Sequential Code 128 barcodes are commonly used for inventory tracking, shipping labels, and logistics where automatic numbering is required.

Barcode Sequence Generator

Our sequential barcode generator is so easy and quick to use. Click on the Generate Sequence Barcode tab and the required information.

Explanation

Example

The above configurations will generate barcodes as below:

Frequently Asked Questions About Code 128 Barcodes

What is a Code 128 barcode used for?

Code 128 barcodes are commonly used in inventory management, logistics, shipping labels, and product identification because they support high-density data encoding.

Can Code 128 contain letters and numbers?

Yes, Code 128 supports alphanumeric characters, symbols, and control characters, making it more flexible than many other barcode formats.

What is the maximum length of a Code 128 barcode?

There is no strict character limit, but longer data increases barcode width, which may affect scan reliability depending on label size.

Is Code 128 better than Code 39?

Code 128 can store more data in a smaller space compared to Code 39 barcodes, making it ideal for applications where label size is limited.

Can I use Code 128 barcodes for shipping labels?

Yes, Code 128 is widely used in logistics and shipping due to its compact size and support for complex data. For carton-level labels, you may also consider ITF-14 barcodes.

Can I generate sequential Code 128 barcodes?

Yes, this tool supports sequential Code 128 barcode generation. You can define a start and end value, add optional prefixes or suffixes, and automatically generate a numbered series of barcodes.

How our barcode generator works?

There are only 3 easy steps to generate barcodes online:

Put your data

You can either enter data for a single barcode number or generate a sequence for a list of barcodes.

Generate Barcodes

For single barcode, whenever you will update your text, the tool will automatically generate barcode number. For sequence barcode generator, click on generate barcodes button after providing the right configurations.

Download

For single barcode, a png image will be downloaded once you click the download barcode button. For sequence barcodes, a zip file will be downloaded with all the barcodes in png format.

Code 128 barcode generator tool interface for inventory and logistics use