Linear Codes Generator
Classic 1D barcodes such as Code-128, Code-39, ITF and Codabar.
Code-128
What is Code-128?Linear Codes › Code-128
Linear barcodes, also called 1D barcodes, store data in the widths of parallel bars and spaces. They are cheap to print and almost every scanner can read them. This category covers general-purpose codes such as Code 128, Code 39, Interleaved 2 of 5 and Codabar, plus older and niche types.
For new labels with letters and digits, choose Code 128; it is compact and reads almost everywhere. Use Code 39 when an existing system or industry rule asks for it, Interleaved 2 of 5 for numbers on cartons, and Codabar for libraries and older systems. If your data is long, a 2D code is often a better fit.
22 barcode types in Linear Codes
Which Linear Codes barcode should I use?
| Barcode type | Allowed data | Best for |
|---|---|---|
| Code-128 | All 128 ASCII characters | Shipping, inventory, general purpose (most popular) |
| Code-11 | Digits 0-9 and dash | Telecom equipment labeling |
| Code-39 | A-Z, 0-9, space, - . $ / + % | Automotive, defense, ID badges |
| Code-39 Full ASCII | All 128 ASCII characters | When lowercase is needed in Code 39 |
| Code-93 | A-Z, 0-9, - . $ / + % space | Canada Post, logistics |
| Code-93 Full ASCII | All 128 ASCII characters | Extended Code 93 |
| Interleaved 2 of 5 (ITF) | Digits, even length | Cartons, warehouse |
| Standard 2 of 5 | Digits | Legacy warehouse, airline tickets |
| Industrial 2 of 5 | Digits | Legacy industrial |
| Matrix 2 of 5 | Digits | Legacy warehouse sorting |
| IATA 2 of 5 | Digits | Air cargo / baggage |
| Datalogic 2 of 5 | Digits | Chinese postal / legacy |
| COOP 2 of 5 | Digits | Legacy retail |
| Codabar | Digits, - $ : / . + with A-D start/stop | Libraries, blood banks, FedEx airbills |
| MSI Plessey | Digits | Retail shelf labels |
| Plessey UK | Hex digits 0-9 A-F | Library systems (UK) |
| Telepen Alpha | All ASCII | UK libraries & universities |
| Telepen Numeric | Digits (pairs) | UK libraries |
| Flattermarken | Digits | Printing/bookbinding sequence marks |
| Channel Code | Digits (short) | Very small numeric labels |
| BC412 (SEMI) | A-Z 0-9 | Semiconductor wafers |
| PosiCode | ASCII | Industrial marking |
How to Create a Barcode in 3 Steps
Choose a barcode type
Select a category on the left (e.g. Linear Codes), then the exact type like Code-128.
Enter data & customise
Type your data — we check it live and add check digits. Adjust size, font and colors.
Download or print
Get PNG, JPG, SVG, PDF or EPS, or print a full sheet of labels in one click.
Why Use QRCodeChamp Barcode Generator
125+ barcode types
Every linear, 2D, GS1, postal, healthcare and payment code.
Live validation
Friendly errors with one-click fixes and automatic check digits.
Print-ready PDF
Exact mm sizes, label sheets (Avery, A4, 4×6 thermal).
Bulk barcodes
Paste a list or generate number sequences.
Choose the Type of Barcode You Need
Not sure which barcode to use? Start with what you need it for — we’ll pick the right type.
Frequently Asked Questions
Use EAN-13 or UPC-A for products sold in stores, Code-128 for shipping and inventory, GS1-128 or SSCC for pallets, ISBN for books and Data Matrix or QR codes when you need to store more data in a small space.
Yes. Every barcode you create here is free to download and use commercially, without a watermark or an account.
To sell products in retail stores you need a GS1 company prefix, so your EAN or UPC numbers are unique worldwide. For in-store or internal use you can create codes without one.
A typical EAN-13 is about 37 × 26 mm (100%). Keep bars at least 0.19 mm wide for most scanners, leave the quiet zone around the code empty and print dark bars on a light background.
Yes. Tick “One barcode per line”, paste a list or use Bulk / Sequence to create a numbered series, then download a ZIP, a multi-page PDF or a label sheet.