Barcode Generator
Barcode Format
Example: ABC123
Barcode Data
Appearance
Text Options
Preview
Configure your barcode settings and click "Generate Barcode" to see the preview
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Choosing the Right Barcode Format
Not all barcode types serve the same purpose. Some are optimized for product identification, while others can store larger amounts of information or support specialized business workflows. Before generating a barcode, it is worth understanding the requirements of the scanner, software, or industry standard that will ultimately process the encoded data.
About Barcode Generator
Barcodes provide a standardized way to represent information that can be scanned electronically. Different barcode formats exist for different industries, including retail products, inventory systems, shipping labels, libraries, and manufacturing environments. The format selected often depends on how much information needs to be stored and which systems will be reading the code.
How to Use
Step 1
Select the barcode format you need (CODE128, EAN-13, UPC, etc.)
Step 2
Enter your barcode data in the input field
Step 3
Customize the appearance: bar width, height, colors, and margins
Step 4
Configure text options: font size, style, alignment, and position
Step 5
Click 'Generate Barcode' to create your barcode
Step 6
Download your barcode as PNG (for web/print) or SVG (for scalable graphics)
Features & Benefits
- ✅8 barcode formats: CODE128, CODE39, EAN-13, EAN-8, UPC, ITF-14, MSI, Pharmacode
- ✅Full customization: bar width, height, colors, margins
- ✅Text options: show/hide, font size, style, alignment, position
- ✅Auto-calculate check digits for EAN-13 and UPC
- ✅Real-time validation for each barcode format
- ✅Download as PNG or SVG format
- ✅100% free - no watermarks, no signup required
- ✅Works offline - all generation happens in your browser
FAQs
What barcode formats are supported?
We support 8 popular barcode formats: CODE128 (alphanumeric), CODE39 (alphanumeric with special characters), EAN-13 (13-digit retail), EAN-8 (8-digit compact), UPC (12-digit North American), ITF-14 (14-digit packaging), MSI (numeric inventory), and Pharmacode (pharmaceutical).
Which barcode format should I use?
CODE128 is the most versatile for general use. Use EAN-13 or UPC for retail products, ITF-14 for packaging, MSI for inventory management, and Pharmacode for pharmaceutical products. CODE39 is common in logistics and manufacturing.
Do I need to calculate check digits?
No! For EAN-13 and UPC barcodes, our generator automatically calculates and adds the check digit if you enter 12 or 11 digits respectively. You can also enter the full code with check digit already included.
Can I customize the barcode appearance?
Yes! You can adjust bar width (1-5px), height (50-200px), colors (bars and background), margins, and text options including font size, style, alignment, and position.
Should I download PNG or SVG?
PNG is best for web use and printing at a fixed size. SVG is a vector format that scales infinitely without quality loss - ideal for professional printing, large formats, or when you need to resize the barcode later.
Are my barcodes stored anywhere?
No! All barcode generation happens entirely in your browser. Your data never leaves your device, and we don't store or track any information you enter.
What if I get an error?
Each barcode format has specific requirements. For example, EAN-13 requires 12-13 digits, CODE39 only accepts uppercase letters and numbers, and MSI only accepts numeric digits. Check the format description and example for guidance.
Can I use these barcodes commercially?
Yes, you can use the generated barcodes for any purpose. However, for retail products (EAN/UPC), you need to obtain official product codes from GS1 or your national barcode authority.