What barcode formats can I generate with this tool?

Our barcode generator supports multiple popular formats including CODE128 (general purpose), EAN-13 (retail products), UPC-A (North American retail), CODE39, ITF-14, QR codes, and more. Each format is designed for specific use cases. CODE128 is versatile for general labeling, EAN-13 and UPC are standard for retail products, and QR codes can store URLs, text, or contact information. Simply select your desired format from the dropdown menu.

Can I download barcodes as high-resolution images?

Yes! You can download barcodes in both PNG (raster) and SVG (vector) formats. PNG images are generated at high resolution suitable for printing on labels, product packaging, and documents. SVG format is vector-based, meaning it scales infinitely without quality loss—perfect for professional printing, signage, and scenarios where you need to resize barcodes. Both formats are available for instant download.

What is the difference between CODE128, EAN-13, and UPC barcodes?

CODE128 is a high-density alphanumeric barcode that can encode letters, numbers, and symbols—ideal for inventory, shipping labels, and general labeling. EAN-13 is the European retail standard using 13 digits, commonly seen on products worldwide. UPC-A is the North American retail standard with 12 digits. For retail products, use EAN-13 (international) or UPC-A (USA/Canada). For internal inventory, shipping, or general labeling, CODE128 offers more flexibility.

How do I use generated barcodes for my products or inventory?

After generating your barcode, download it as PNG or SVG and print it on labels using a standard printer or label printer. For retail products, ensure you obtain official UPC or EAN numbers from GS1 to avoid conflicts. For internal inventory, you can create custom CODE128 barcodes with your own numbering system. Print barcodes on adhesive labels, product packaging, or asset tags. Use a barcode scanner to read and track items in your inventory management system.

Are the barcodes I generate scannable by standard barcode readers?

Absolutely! All barcodes generated by this tool follow official specifications and are fully compatible with standard barcode scanners, including handheld scanners, smartphone scanner apps, and point-of-sale (POS) systems. The generator ensures proper formatting, check digits, and quiet zones (margins) required for reliable scanning. For best results, print barcodes at recommended sizes and maintain good contrast between bars and background.

Can I generate QR codes with this barcode generator?

Yes! QR codes are one of the supported formats. You can generate QR codes containing text, URLs, phone numbers, email addresses, WiFi credentials, or other data. QR codes can store significantly more information than traditional linear barcodes and can be scanned by smartphone cameras without special equipment. They are perfect for marketing materials, business cards, product information, contactless payments, and digital interactions.

Do I need to register or pay to use this barcode generator?

No registration or payment is required! This barcode generator is completely free to use. You can generate unlimited barcodes and QR codes, download them in PNG or SVG format, and use them for personal or commercial purposes without restrictions. However, if you need official retail UPC or EAN numbers for products sold in stores, you must purchase those separately from GS1, the global standards organization.

What size should I print my barcodes for optimal scanning?

Barcode sizes vary by format and scanning distance. For CODE128, a minimum width of 1.5 inches (38mm) works well for handheld scanners at close range. Retail barcodes (EAN-13, UPC-A) typically print at 100% scale (about 1.5 x 1 inches). QR codes should be at least 0.8 x 0.8 inches for smartphone scanning. Larger barcodes scan more reliably. Always test printed barcodes with your scanner before mass production. Maintain a 4:1 or higher contrast ratio between bars and background.

Can I customize the appearance of my barcodes?

You can customize certain aspects while maintaining scannability. Most generators allow you to adjust barcode width, height, and add human-readable text below the barcode. You can typically change background and bar colors, but maintain high contrast (black bars on white background work best). Avoid gradients, textures, or low-contrast color combinations as they reduce scanning reliability. Some decorative customization is possible with QR codes without affecting functionality.

How do I get official UPC or EAN numbers for retail products?

Official UPC and EAN numbers must be purchased from GS1, the global organization that manages these standards. Visit the GS1 website for your country (e.g., gs1us.org for USA) to obtain a company prefix and product numbers. This ensures your barcodes are globally unique and accepted by major retailers. The cost varies by country and the number of products you need to barcode. Once you have official numbers, use this generator to create scannable barcode images.

Free Barcode Generator

Generate professional barcodes and QR codes online. Support for CODE128, EAN-13, UPC, and more. Download as PNG or SVG for printing. Perfect for products, inventory, and business use.

Input

Enter the data you want to encode as a barcode

Barcode Type

Data to Encode

Sample Data

Settings

Customize your barcode appearance

Bar Width: 2

Height: 100px

Font Size: 20px

Margin: 10px

Download Filename