Barcode Generator

Generate free Code 128, Code 39, EAN, and UPC barcodes online. Customize bar width, height, and colors, then download as PNG or SVG instantly.

Code 128 supports all ASCII characters and is widely used in logistics. Code 39 supports uppercase letters, numbers, and some special characters.

How to Generate Barcodes Online

  1. 1

    Enter Your Data

    Type the text, product number, or identifier you want to encode into the input field. Code 128 accepts any ASCII character while EAN and UPC formats require numeric digits.
  2. 2

    Select a Barcode Format

    Choose the barcode type that fits your use case. Use Code 128 for shipping and logistics, Code 39 for manufacturing, EAN-13 for retail products in Europe, or UPC for retail in North America.
  3. 3

    Customize Appearance

    Adjust the bar width and height to match your label size. Enable or disable the human-readable text below the barcode depending on your labeling requirements.
  4. 4

    Download or Copy

    Click Download PNG to save a high-resolution barcode image ready for printing at 300 DPI. You can also copy the barcode directly to your clipboard for use in design applications.

Common Barcode Use Cases

1

Retail Product Labeling

Generate EAN-13 or UPC barcodes for product packaging. These standardized formats are required by most retailers and are scanned at point-of-sale terminals worldwide.
2

Inventory and Warehouse Management

Create Code 128 barcodes for tracking inventory across warehouses, stockrooms, and distribution centers. Each item gets a unique scannable identifier for fast lookup.
3

Shipping and Logistics

Generate shipping labels with Code 128 barcodes that encode tracking numbers, package IDs, or routing codes. Compatible with major carriers and logistics platforms.
4

Asset Tagging and Equipment Tracking

Print Code 39 or Code 128 barcodes to label office equipment, IT hardware, or fixed assets. Simplifies audits and maintenance scheduling with quick scans.

Why Use Barcode Generator?

Barcodes are essential for inventory management, product labeling, shipping, and point-of-sale systems. Our generator creates high-quality, scannable barcodes in popular formats like Code 128 and Code 39, ready for printing or digital use.

The FindUtils Barcode Generator creates scannable barcodes in Code 128, Code 39, EAN-13, EAN-8, and UPC formats directly in your browser. No server upload or account is needed. Whether you are labeling products for retail, organizing warehouse inventory, or printing shipping labels, this tool produces print-ready PNG images you can download instantly.

Code 128 is the most versatile barcode symbology, encoding the full ASCII character set in a compact format. It is the standard for logistics, shipping labels, and healthcare. Code 39 is an older format still widely used in manufacturing and government applications because it supports alphanumeric characters without requiring a checksum. EAN-13 and UPC are the global retail standards, appearing on virtually every packaged consumer product. Use our QR Code Generator when you need to encode URLs, contact information, or longer text strings that linear barcodes cannot handle efficiently.

After creating your barcodes you can organize product data in our CSV Viewer, generate invoices with matching product codes, or add structured product data to your website with the Schema.org Generator. All processing happens client-side, so your data never leaves your device.

How It Compares

Unlike many online barcode generators that limit free usage to a handful of barcodes per day or watermark the output, FindUtils lets you generate unlimited barcodes with no signup and no watermarks. Every barcode is rendered entirely in your browser, so your product data and identifiers stay private. Paid barcode software such as Bartender or NiceLabel offers advanced features like batch printing and database integration, but for quick label creation and one-off barcode needs, a free browser-based generator is faster and more convenient.

Compared to other free tools, FindUtils supports five popular symbologies in one place: Code 128, Code 39, EAN-13, EAN-8, and UPC. Many competitors only offer Code 128 or require a separate tool for each format. The adjustable bar width and height settings give you precise control over the output size, which is critical for meeting label printing specifications.

Tips for Better Barcodes

1
Use Code 128 for most general-purpose applications because it is compact and supports the full ASCII character set.
2
Always test your printed barcode with a scanner before mass printing to ensure readability at your chosen size.
3
Maintain a quiet zone of at least 10 times the narrowest bar width on both sides of the barcode for reliable scanning.
4
Print barcodes in black on a white background for maximum contrast. Avoid colored backgrounds that reduce scan accuracy.
5
Set bar height to at least 15% of the barcode width or a minimum of 0.5 inches for dependable scanning across devices.

Frequently Asked Questions

1

What's the difference between Code 128 and Code 39?

Code 128 is more compact and supports the full ASCII character set, making it ideal for shipping and logistics. Code 39 is simpler, supports alphanumeric characters, and is widely used in manufacturing.
2

Can I use these barcodes commercially?

Yes, the barcodes generated are free to use for any purpose, including commercial applications.
3

What resolution should I use for printing?

For best scanning results, use a bar width of at least 2-3 pixels and ensure your printer outputs at 300 DPI or higher.
4

Why won't my barcode scan?

Ensure adequate contrast, sufficient size (at least 0.5" height), and clean printing. Test with multiple scanner apps if needed.
5

What characters can I encode?

Code 128 supports all ASCII characters (letters, numbers, symbols). Code 39 supports uppercase A-Z, 0-9, and some special characters (-, ., $, /, +, %, space).

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