Everyday Tools
Barcode Generator
- Browser-based
- No signup
Enter a value, choose a barcode format (Code 128, Code 39, EAN-13, EAN-8, UPC-A, ITF-14, or Codabar), adjust bar size, margin, and colors, then download a PNG. Check digits are added or validated for product formats. Generation runs entirely in your browser.
100% Client-Side
Your data never leaves your computer.
How to use this tool
1. Enter the value to encode (digits for EAN/UPC, or text for Code 128). 2. Select barcode format. 3. Click Generate. 4. Preview the barcode image. 5. Download or print—verify scans with your hardware before production use.
Worked example
Example: EAN-13 value 5901234123457 renders a scannable barcode for retail labeling when the checksum digit is valid.
How it works
Enter a value, choose a barcode format (Code 128, Code 39, EAN, UPC, ITF-14, or Codabar), adjust size and colors, then generate a downloadable PNG. Check digits are added or validated for product formats. Generation runs entirely in your browser.
Limitations
Results are based on the inputs you provide and may not cover every edge case. This tool is for general use and is not professional advice.
Privacy and file handling
Your data is processed in your browser and is not uploaded to our server.
Frequently asked questions
Which barcode formats are supported?
Code 128, Code 39, EAN-13, EAN-8, UPC-A, ITF-14, and Codabar. Format hints appear under the value field.
Do I need to enter a check digit?
For EAN, UPC, and ITF-14 you can enter the payload without a check digit and it is added automatically. If you include a check digit, it is validated.
Is my value stored?
No. Barcodes are generated locally in your browser and input is not stored.
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