Barcode Generator

Use TEC‑IT’s free online barcode generator to create QR, UPC, EAN, DataMatrix & more. Embed easily in applications or websites

Barcode Options

Batch Data

What Is Barcode Generator Online?

A barcode generator is a digital tool that creates machine-readable representations of data, typically used for product identification, inventory management, and information tracking. Our online barcode generator provides a simple and efficient way to create various types of barcodes without requiring any software installation or technical expertise.

The tool supports multiple barcode formats including linear barcodes like CODE128, CODE39, EAN-13, EAN-8, UPC-A, UPC-E, and ITF-14, as well as 2D barcodes like QR codes. Each barcode format serves different purposes and industries. For example, EAN-13 and UPC-A are commonly used in retail for product identification, while QR codes can store more complex information including URLs, contact details, and promotional content.

Our barcode generator offers customization options that allow users to adjust the appearance of their barcodes. You can choose from different colors to match your brand identity or specific requirements, and select from three size options (small, medium, large) to ensure the barcode is appropriate for your intended use. The tool generates high-quality SVG and PNG formats, ensuring clarity and scannability across different media.

How To Use Barcode Generator Online

Using our online barcode generator is straightforward and requires no technical skills. Follow these simple steps to create professional-quality barcodes:

  1. Select the barcode type: Choose from various formats including CODE128, CODE39, EAN-13, EAN-8, UPC-A, UPC-E, ITF-14, and QR Code. Each format has specific use cases - for example, EAN-13 for retail products or QR codes for URLs and complex data.

  2. Customize appearance: Use the color picker to select your preferred barcode color. The default is black, but you can choose any color that suits your branding or requirements. Select the size option (small, medium, or large) to determine the dimensions of your barcode.

  3. Enter your data: In the batch data text area, enter the information you want to encode in your barcode. For multiple barcodes, enter each value on a separate line. For example: 1234567890128 9876543210987 PRODUCT001

  4. Generate barcodes: Click the "Generate Barcodes" button to create your barcodes. The tool will process each entry and display the generated barcodes in the preview area.

  5. Download or print: To save individual barcodes, click the download icon below each barcode to save it as a PNG file. For printing multiple barcodes, use the "Print Preview" button which will prepare all generated barcodes for printing.

The tool validates input data based on the selected barcode format. For example, EAN-13 requires exactly 12 or 13 digits, while CODE39 accepts alphanumeric characters. If you enter invalid data for a specific format, the tool will display an error message indicating the issue.

FAQs (Frequently Asked Questions)

What barcode formats does this generator support?

Our online barcode generator supports a comprehensive range of barcode formats to meet various industry needs. These include linear barcodes such as CODE128, which is widely used for its high density and ability to encode all 128 ASCII characters; CODE39, commonly used in industrial applications and government sectors; EAN-13 and EAN-8 for retail product identification globally; UPC-A and UPC-E for North American retail markets; and ITF-14 for shipping containers and cases. Additionally, we support 2D barcodes including QR codes, which can store significantly more information including URLs, contact details, and text. Each format has specific requirements for data input - for instance, EAN formats require numeric input of specific lengths, while CODE39 can handle alphanumeric characters. This variety ensures that whether you're creating barcodes for retail products, inventory management, logistics, or marketing materials, you'll find an appropriate format in our tool.

How can I customize the appearance of generated barcodes?

Our barcode generator offers several customization options to ensure your barcodes match your specific requirements. The primary customization feature is color selection, where you can choose any color for your barcode using the intuitive color picker. This is particularly useful for brand consistency or when barcodes need to be placed on specific background colors. Additionally, you can select from three size options: small, medium (default), and large. These size options adjust both the dimensions of the barcode and the font size of any displayed text, ensuring optimal readability and scannability regardless of your intended use. The tool generates barcodes in high-quality SVG format, which maintains clarity at any size, and also provides PNG download options for easy integration into various digital and print media. These customization features make our tool suitable for a wide range of applications, from small product labels to large promotional materials.

Can I generate multiple barcodes at once?

Yes, our barcode generator includes a powerful batch processing feature that allows you to create multiple barcodes simultaneously, significantly improving efficiency when dealing with numerous items. To use this feature, simply enter each barcode value on a separate line in the batch data text area. For example, if you need to create barcodes for several products, you can list all their identification numbers or codes in the text area, with each entry on its own line. When you click the "Generate Barcodes" button, the tool will process all entries and display the resulting barcodes in a grid layout. Each barcode can be individually downloaded as a PNG file, or you can use the print preview function to prepare all barcodes for printing. This batch capability is especially valuable for businesses managing inventory, retailers preparing product labels, or anyone who needs to generate multiple barcodes regularly. The tool maintains the same quality and customization options for each barcode in the batch, ensuring consistent results across all generated items.

What file formats are available for downloading barcodes?

Our barcode generator provides multiple file format options to suit different usage scenarios. The primary format is SVG (Scalable Vector Graphics), which is used for displaying barcodes directly in your browser. SVG is a vector format that maintains perfect quality at any size, making it ideal for both digital use and high-quality printing. For downloading individual barcodes, we offer PNG format, which is a widely supported raster format suitable for most applications including websites, documents, and presentations. When you click the download icon beneath any barcode, the tool converts the SVG to a PNG image and initiates the download process. For printing multiple barcodes, the print preview function prepares all generated barcodes in a print-optimized layout. The PNG files maintain high resolution to ensure scannability, and the conversion process preserves the quality and appearance of your customized barcodes. This combination of SVG for display and PNG for download provides flexibility for various use cases while maintaining professional quality.

Is this barcode generator free to use and completely online?

Absolutely, our barcode generator is 100% free to use with no hidden fees, subscriptions, or registration requirements. The tool operates entirely in your web browser, meaning all processing happens locally on your device without uploading data to any server. This approach not only ensures privacy and security but also provides faster processing times. You can access the tool from any device with a modern web browser - whether it's a desktop computer, laptop, tablet, or smartphone. There are no limitations on the number of barcodes you can generate or download, and all features including batch processing, customization options, and multiple format support are available without any premium upgrades. The tool is updated regularly to maintain compatibility with current web standards and to ensure optimal performance. Since it's completely online, you don't need to install any software or applications, making it accessible from anywhere at any time. This makes our barcode generator an ideal solution for occasional users who need a few barcodes as well as businesses that require regular barcode creation without investing in expensive software.