Barcode Generator
Make Code 128, EAN-13, UPC, Code 39, Data Matrix, PDF417, and more
- Files never leave your device
- Runs in your browser
- Free, no sign-up, no watermark
1D barcodes
Code 128
Letters, digits and symbols (ASCII). Picks the most compact encoding automatically.
Preview
How to use Barcode Generator
Create 1D barcodes such as Code 128, GS1-128, EAN-13, UPC-A, ITF-14, Code 39 and Codabar, or 2D Data Matrix, PDF417 and Aztec codes. Check digits are validated or added for you, the preview is scan-tested, and batch mode turns a list of values into a ZIP of images.
- 1
Choose the Barcode type; the hint below shows what values it accepts.
- 2
Type the value, or click Sample to see a valid example.
- 3
Under Appearance, set Human-readable text, module width, bar height, quiet zone, colors and rotation.
- 4
To make many codes, turn on Batch mode and paste one value per line.
- 5
Choose PNG or SVG and click Download or Copy image; batch mode downloads a ZIP.
Frequently asked questions
Can this tool give me an EAN or UPC number for my product?
No. It draws the barcode for a number you already have. Retail EAN and UPC numbers come from your GS1 member organization.
Do I need to calculate the check digit?
No. Enter 12 digits for EAN-13 (or 11 for UPC-A) and the check digit is added. If you enter the full number, the tool checks it and tells you the correct digit when it is wrong.
Can I encode lowercase letters or Chinese text?
For lowercase in Code 39 or Code 93, turn on Full ASCII. Code 128 holds plain ASCII only; for Chinese and other Unicode text, use Data Matrix, PDF417 or Aztec.
What settings work best for printing?
Export SVG, or use a module width of 4 px or more for PNG. Leave a quiet zone of at least 10 modules around 1D barcodes.
How do I make a QR code?
Use the QR Code Generator, which handles links, Wi-Fi, contacts and logos.
Are my values uploaded?
No. Barcodes are drawn and scan-tested in your browser.