Free Barcode Generator
Create a scannable Code 128 barcode as a downloadable PNG.
Barcode Generator
Enter a value to begin.
How to use this barcode generator
- Enter printable text, adjust the scale and download the barcode image.
- Check the inputs and preview, then use the primary action.
- Download, copy or use the result shown by the tool.
How the result is calculated
Code 128 Set B maps printable ASCII characters to bar patterns and includes a weighted modulo-103 checksum.
All calculation and transformation work happens in this browser tab. No entered value is sent to an Noler Tools application server.
Important limitations
Results are provided for convenience and should be checked independently before an important decision. A format or checksum result never authenticates an identity, document, account, licence, vehicle or registration.
Frequently asked questions
Is this barcode generator free?
Yes. It is free to use and does not require an account.
Does Noler Tools save my input?
No. The input and result remain in temporary browser memory and are not uploaded or saved by this site.