Free Barcode Generator
Create Code 128, UPC, and EAN barcodes instantly. Download as PNG or SVG.
📊 Format: Code 128 (Standard)
Need other formats? Visit Karuvigal.com for Code 39, EAN, UPC, and more.
Need Advanced Features?
Visit Karuvigal.com for power user features
- Bulk barcode generation - create hundreds at once
- Series generator for sequential codes
- Additional formats: Code 39, EAN, ITF-14, MSI, Pharmacode
- Custom size and color options
- Export to Excel and CSV
- Batch download as ZIP file
Opens in new tab • Completely free • No sign-up required
About Barcode Generator
Barcodes have revolutionized inventory management, retail operations, and product tracking since their introduction in the 1970s. Our free barcode generator allows you to create professional, scannable barcodes instantly for any purpose - from retail product labels to warehouse inventory management.
Unlike traditional barcode generation methods that require expensive software or online services that compromise your data privacy, our tool runs entirely in your browser. This means your product codes, inventory numbers, and business data remain completely private and secure. Generate unlimited barcodes for free, download them in high-quality PNG or scalable SVG formats, and use them immediately in your business operations.
Whether you're a small business owner setting up your first point-of-sale system, a warehouse manager organizing inventory, or a developer building an asset tracking application, our barcode generator provides the flexibility and reliability you need without any cost or data privacy concerns.
Common Use Cases
Retail & Point of Sale
Create UPC and EAN barcodes for product packaging, price tags, and inventory management in retail stores.
Warehouse & Logistics
Generate Code 128 barcodes for shipping labels, package tracking, and warehouse inventory control.
Healthcare & Pharmaceuticals
Use Pharmacode barcodes for medication packaging and patient identification in medical facilities.
Manufacturing
Implement ITF-14 barcodes for carton and pallet identification in production and distribution.
Library Management
Create barcodes for book tracking, checkout systems, and library asset management.
Event Management
Generate unique barcodes for tickets, admission passes, and event tracking systems.
Supported Barcode Formats
Code 128
The most versatile 1D barcode format supporting all 128 ASCII characters. Ideal for general-purpose applications, shipping labels, and inventory management. Offers high data density and excellent error detection. Recommended for most use cases.
UPC (Universal Product Code)
Standard barcode for retail products in North America. UPC-A encodes 12 digits and is found on almost every product sold in stores. Required for most retail distribution in the United States and Canada.
EAN-13 (European Article Number)
International standard for retail product identification, used globally outside North America. Encodes 13 digits and is compatible with GS1 standards. Essential for international product distribution.
Code 39
Alphanumeric barcode widely used in automotive, defense, and healthcare industries. Supports uppercase letters, numbers, and special characters. Known for its reliability in harsh environments.
ITF-14
Designed specifically for carton and pallet identification in logistics and distribution. Encodes 14 digits and is ideal for supply chain tracking and warehouse management systems.
Frequently Asked Questions
Technical Specifications & Best Practices
📏 Minimum Print Dimensions
- Width: Minimum 1 inch (25.4mm) for retail applications
- Height: At least 0.5 inches (12.7mm) for optimal scanning
- Quiet Zone: 0.25 inches (6mm) white space on each side
🖨️ Print Quality Requirements
- Resolution: Minimum 300 DPI for clear scanning
- Contrast: High contrast between bars and background (black on white recommended)
- Material: Use non-reflective, matte finish labels for best results
✅ Testing & Validation
- Test scans from multiple angles and distances
- Verify data accuracy after scanning
- Check readability under different lighting conditions
- Always print a test batch before mass production
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Technical Guide: Barcode Symbologies
Barcodes are optical, machine-readable representations of data. This instant generator focuses on the three most common global standards used in retail and logistics:
Code 128 (Standard)
Usage: Logistics, Shipping, Internal Inventory.
A high-density alphanumeric symbology. It can encode all 128 characters of ASCII, making it the most versatile choice for shipping labels and asset tracking.
UPC-A (North America)
Usage: Retail Points of Sale.
The standard 12-digit barcode found on virtually every retail product in the US and Canada. It consists of a manufacturer code and a product code.
EAN-13 (Global)
Usage: International Retail.
The European Article Number is the global standard for product identification outside North America, encoding 13 digits.
How It Works: Client-Side Generation
Karuvii is optimized for local-first privacy. Unlike many tools that send your data to a server to generate an image, our tool uses high-performance JavaScript to render the barcode canvas directly in your browser.
- Security: Sensitive serial numbers or product codes never leave your device.
- Speed: Zero latency. The generation is instant because there is no network round-trip.
- Quality: Vector-based rendering (SVG/Canvas) ensures the output is crisp and scalable for printing.
Printing Best Practices
A barcode is only useful if it scans. To ensure readability:
- Quiet Zone: Always leave a white margin (quiet zone) around the bars. Our generator includes this automatically.
- Contrast: Black bars on a white background provide the highest contrast for laser scanners.
- Size: Do not scale the barcode too small. The bars can bleed together, making them unreadable.
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Need More Features?
Discover Karuvigal.com — our professional suite with bulk generation, advanced customization, and high-resolution PDF/Vector exports.