Barcode Generator
Generate barcodes in various formats with customizable line width, height and display options
Enter text or numbers according to the selected format
Select the barcode encoding format
Width of barcode lines, range 1 - 5
Height of the barcode, range 50 - 200 pixels
Whether to display the encoded text value below the barcode
Preview
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Barcode Generator Tool Guide
Tool Introduction
This is a free online barcode generator that supports multiple barcode formats including CODE128, CODE39, EAN13, UPC, and more. Customize line width, height, and choose whether to display text values. All processing is done locally in your browser to protect your privacy.
Usage Steps
- Enter the text or numbers to encode in the input field
- Select a barcode format (e.g., CODE128, CODE39, EAN13, etc.)
- Adjust line width and height parameters to control barcode appearance
- Choose whether to display the text value below the barcode
- Click the generate button to create the barcode, then download as PNG
Usage Tips
Different formats have different input requirements: EAN13 and EAN8 require 13 or 8 digits, UPC requires 12 digits, while CODE128 and CODE39 support letters and numbers. Choose the appropriate format based on your needs.
Frequently Asked Questions
Important Notes
- Generated barcodes are completely free and can be downloaded unlimited times
- All processing is done locally in the browser, your data is not uploaded to any server
- Please ensure input content meets the requirements of the selected format, otherwise generation may fail
- Downloaded barcodes are in PNG format, suitable for printing and electronic display