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.

Code 128 Sequential Barcode Generator

Create high-density Code 128 barcodes in a numeric or alphanumeric sequence.

Code 128 is compact, highly reliable, and widely used in shipping and warehousing systems.

Sequential Code 128 barcodes are recommended when space is limited and data accuracy is critical.

Looking for a generic sequential barcode generator?

This page allows you to generate barcodes for any supported format.

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 Code 128 barcode generator works

Create compact and high-density Code 128 barcodes in three easy steps:

Put your data

Enter numeric or alphanumeric values supported by Code 128. You can include letters, numbers, and special characters.

Generate Barcodes

The tool creates sequential Code 128 barcodes with high-density encoding, perfect for shipping labels or inventory.

Download

Download a single Code 128 barcode as PNG, or download all generated barcodes in a ZIP file.

Code 128 barcode generator tool interface for inventory and logistics use