Free Barcode Generator Online - Create Code128, EAN13, UPC-A Barcodes
Free online barcode generator. Create Code128, EAN13, UPC-A, and other barcode types instantly. Perfect for retail, inventory, and product labeling.
About This Tool
Learn what makes this tool special
What is a Barcode? A barcode is a machine-readable optical label containing data about an item. Unlike QR codes which are 2D, traditional barcodes are 1D and contain numeric or alphanumeric data. Barcodes revolutionized retail by enabling fast, accurate product identification and inventory tracking.
Types of Barcodes: CODE128 is the most versatile, supporting full ASCII characters for shipping and inventory. EAN-13 is the 13-digit retail barcode used worldwide for consumer products. UPC-A is the 12-digit North American retail standard for consumer goods and POS systems.
QR vs Barcode: QR codes store more data and can be scanned from any angle, while barcodes are faster in linear motion and more reliable for retail environments.
Use Cases: Retail products use EAN-13/UPC-A, inventory systems use Code128, shipping labels use Code128, POS systems use UPC-A, and asset tracking uses Code128.
Benefits: No software installation, instant generation, multiple formats, high-resolution output, cost-effective for businesses, and browser-based privacy.
Key Features
What makes this tool special
- Generate Code128 barcodes
- Create EAN13 barcodes
- Make UPC-A barcodes
- High-resolution output
- Customizable barcode size
- Download as PNG/SVG
- Copy barcode data
- Real-time preview
- Multiple barcode formats
- No registration required
- Browser-based processing
- Instant generation
- Batch barcode generation
- PDF export format
- EPS vector format
- Color customization
- Text display toggle
- Error correction options
- Mobile responsive
- High DPI printing support
Quick Guide
Master this tool in seconds
- 1Select barcode type (Code128, EAN13, UPC-A)
- 2Enter your barcode data/numbers
- 3Adjust size and format options
- 4Preview the generated barcode
- 5Download or copy the barcode image
Common Questions
Everything you need to know
Q.What barcode types are supported?
We support Code128, EAN13, UPC-A, Code39, ITF, and Codabar formats for different business needs.
Q.How do I choose the right barcode for my product?
Use EAN-13 for retail products, UPC-A for North American markets, and Code128 for inventory and shipping.
Q.Can I use generated barcodes commercially?
Yes, all generated barcodes can be used commercially for business purposes without restrictions.
Q.What's the difference between EAN-13 and UPC-A?
EAN-13 is international (13 digits), UPC-A is North American (12 digits). EAN-13 includes a check digit.
Q.How do I ensure my barcode scans correctly?
Use high contrast, minimum 2cm height, test with multiple scanners, and ensure clean printing.
Q.Can I generate barcodes in bulk?
Yes, our batch generation feature allows you to create multiple barcodes from CSV data.
Q.What resolution should I use for printing?
Use at least 300 DPI for professional printing. Higher resolutions ensure better scanning reliability.
Q.Are there any limitations on barcode length?
Code128 supports up to 48 characters, EAN-13 is fixed at 13 digits, UPC-A is fixed at 12 digits.
Q.Can I customize barcode colors?
Yes, you can choose custom colors, but black-on-white provides the best scanning reliability.
Q.What's the difference between barcodes and QR codes?
Barcodes are 1D and faster to scan linearly, QR codes are 2D and hold more data but scan from any angle.
Q.How do I test if my barcode works?
Use any smartphone camera or dedicated barcode scanner app to test scanning functionality.
Q.Can I add text below the barcode?
Yes, you can toggle human-readable text display below the barcode for manual entry backup.
Q.What file formats are available for download?
Download as PNG (web), SVG (scalable), PDF (print), or EPS (professional printing).
Q.Is my data private when using this generator?
Yes, all processing happens locally in your browser. No data is sent to our servers.
Q.How long do generated barcodes last?
Barcodes are permanent digital patterns. They work as long as the encoded data remains valid.
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