QR Code Generator
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Create QR codes from text or URLs.
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- No signup
Everyday Tools
Utilnivo
Barcode Generator
Generate barcodes for products and labels.
No registration
- On your device
Browse more in Everyday Tools or all tools.
Private on your device
Your information stays on your device and is not uploaded.
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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 works on your device.
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 works on your device.
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 stays on your device and is not uploaded.
FAQ
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 on your device and input is not stored.
Related pages
- Browse all free online tools on Utilnivo
- Explore more everyday tools on Utilnivo
- QR Code Generator — Create QR codes from text or URLs.
- Unit Converter — Convert between common units of length, weight, volume, and temperature.
- Age Calculator — Calculate exact age in years, months, and days from a date of birth.
- Date Difference Calculator — Count days, weeks, and months between two dates.
- Electricity Cost Calculator — Estimate how much an appliance costs to run.
- BMI Calculator — Calculate body mass index using metric or US units with a general classification.
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