Barcode Generator
Generate barcodes in various formats
The Barcode Generator supports major 1D barcode formats including Code128, EAN-13, EAN-8, UPC-A, and Code39. Create production-ready barcodes for product labeling, inventory management, shipping labels, and more. The tool automatically calculates check digits and provides real-time preview with PNG download for immediate use.
๐ How to Use
- Select barcode type (EAN-13, Code128, etc.)
- Enter barcode content
- Ensure data matches the format requirements
- Click Download to save as image
โจ Features
- โCode128, EAN-13, EAN-8 support
- โUPC-A, Code39 support
- โReal-time preview
- โPNG image download
- โAutomatic checksum calculation
๐ก Use Cases
- โขSmall Business Owner: Assign EAN-13 barcodes to products for compatibility with POS and retail systems.
- โขLogistics Manager: Generate Code128 barcodes for shipping labels to integrate with package tracking systems.
- โขInventory Manager: Create internal inventory barcodes for warehouse scanning and stock management.
- โขLibrarian: Generate ISBN-based barcodes for library catalog and checkout systems.
- โขDeveloper: Produce test barcodes when building POS systems or barcode scanner applications.
๐ฏ Tips
- โธChoose the right format for your use case โ EAN-13 for retail products, Code128 for general-purpose internal use.
- โธFor EAN-13, enter only 12 digits and the check digit is calculated automatically.
- โธTest scan every barcode after generation โ print size and resolution affect scan success rates.
- โธCode39 only supports uppercase letters and digits. Use Code128 for lowercase or extended ASCII.
โ FAQ
Q. Which barcode format should I use?
A. Use EAN-13 for retail products and Code128 for internal management. Code128 supports the full ASCII character set.
Q. Do I need to calculate the check digit manually?
A. No, check digits are calculated automatically. For EAN-13, just enter 12 digits.
Q. What is the difference between barcodes and QR codes?
A. Barcodes (1D) encode data in horizontal bars and are mainly used for numeric data. QR codes (2D) use a grid pattern and can store much more data, making them ideal for URLs and text.
Q. Can I use generated barcodes on products for sale?
A. If you have a GS1-registered company prefix, you can use EAN-13 barcodes on retail products. For internal use only, no registration is needed.
Q. What is the minimum print size for barcodes?
A. For EAN-13, a minimum width of about 3 cm and height of 2 cm is recommended. Print at 300 DPI or higher to ensure reliable scanning.