Barcode Generator
Create EAN, UPC, Code 128, Code 39, and more barcodes for free. Customize colors, add text, and download.
The Ultimate Free Barcode Generator for Retail & Logistics
Whether you are launching a new consumer product across North America, managing a complex warehouse inventory system, or fulfilling thousands of e-commerce orders, having scannable, standardized barcodes is non-negotiable. Our comprehensive Barcode Generator is built to serve small businesses, retail sellers, and logistics managers across the US and Canada who need high-quality, professional-grade barcodes without the burden of expensive enterprise software subscriptions.
Supporting over 50 unique barcode symbologies—ranging from ubiquitous 1D retail codes like UPC-A and EAN-13 to robust alphanumeric formats like Code 128 and 2D matrices like Data Matrix and PDF417—this tool is a one-stop powerhouse. Everything happens securely inside your browser. No data is stored on our servers, meaning your proprietary product codes and internal SKUs remain completely confidential. Simply select your format, paste your data, and instantly download a high-resolution file ready for the printing press.
How to Generate Your Barcode
- 1Select the Symbology: Open the dropdown menu and select the specific barcode type you need (e.g., UPC-A for US retail, Code 128 for internal tracking, or Data Matrix for small electronics).
- 2Input Your Data: Type or paste your numerical or alphanumeric sequence into the text field. The tool automatically validates the data based on your chosen symbology.
- 3Adjust Formatting: Toggle the human-readable text on or off beneath the bars. You can also customize the bar color and background color to match specific packaging requirements.
- 4Choose Your Size: Use the scaling options to define how large the final image should be. Larger scales result in higher resolution exports.
- 5Download the File: Export your generated barcode as a PNG for quick digital sharing, or select SVG/PDF for lossless quality required by commercial printing vendors.
Common Use Cases for Sellers
- Retail & Point of Sale: Independent store owners and online sellers use UPC-A and EAN-13 barcodes on their product packaging to ensure compatibility with major grocery and retail POS systems.
- Warehouse Inventory: Fulfillment centers and 3PLs rely heavily on Code 128 and Code 39 for internal bin labeling, pallet tracking, and scanning with rugged handheld devices.
- Medical & Healthcare: Pharmacies and medical device manufacturers utilize Pharmacode and Data Matrix formats to track small vials and equipment securely and accurately.
- Shipping & Logistics: Companies moving heavy freight use ITF-14 (Interleaved 2 of 5) on corrugated cardboard boxes, as it is highly resilient to rough printing conditions.
- Library & Document Tracking: Schools, law firms, and libraries use Codabar to seamlessly scan and track books, legal folders, and sensitive physical assets.
Related Technical Guides:
Expert Tips for Printing and Scanning
A barcode is only useful if it can be rapidly scanned by a laser or camera at checkout. The single most common reason barcodes fail in the field is a lack of Quiet Zones. A quiet zone is the blank, light-colored space required on the far left and far right of the barcode. This blank margin tells the scanner where the barcode begins and ends. If you print your barcode too close to the edge of a label or squeeze text right up against the bars, scanners will fail to read it. Always leave an ample white margin around your code.
When dealing with commercial printers, avoid rasterization at all costs. Saving a barcode as a low-resolution JPG or PNG and pasting it into a document often results in "fuzzy" or anti-aliased edges. Scanners rely on mathematically precise, razor-sharp transitions from white to black. To guarantee success, always download your barcode from our generator in SVG or PDF format, and provide that exact vector file directly to your packaging designer or print vendor.
Finally, be extremely cautious when altering barcode colors. While our tool allows you to change the foreground and background colors, you should stick to traditional black bars on a pure white background whenever possible. Barcode scanners use red laser light; therefore, using red, orange, or yellow bars will render the barcode entirely invisible to the scanner. If you must use brand colors, ensure the bars are dark (dark blue, dark green) and the background is starkly light.
Frequently Asked Questions
Which barcode format should I use for selling retail products?
If you are selling products in retail stores primarily in the United States and Canada, you should use the UPC-A (Universal Product Code) format. If you are selling internationally, EAN-13 is the global standard. Both formats are fully supported by our generator and are universally recognized by modern Point of Sale (POS) systems.
Are the barcodes generated here valid for Amazon (FBA) and Shopify?
Yes. The graphical barcodes generated by our tool adhere strictly to global GS1 symbology standards. This means you can confidently print these codes on your product packaging, and they will scan perfectly in Amazon Fulfillment Centers, local boutiques, or when scanned by your Shopify POS hardware. Note: You must still purchase your official GS1 numbers; our tool generates the scannable image from your existing numbers.
What is the difference between 1D and 2D barcodes?
1D (One-Dimensional) barcodes, like UPC, EAN, and Code 128, represent data using varying widths of parallel lines and are generally used for simple alphanumeric strings like product IDs. 2D barcodes, such as Data Matrix or PDF417, use grids of squares and can store significantly more complex data, including entire paragraphs of text, making them ideal for shipping logistics and electronics.
Can I download these barcodes in vector format?
Absolutely. For the sharpest quality—which is essential for professional printing—we highly recommend downloading your barcodes in SVG or PDF format. Vector files will not pixelate, regardless of whether you shrink them for a tiny cosmetics label or enlarge them for a massive warehouse pallet.
Is there a limit to how many barcodes I can generate?
No, there are absolutely no limits. Our Barcode Generator is a 100% free tool with no paywalls, hidden fees, or subscription requirements. You can generate one barcode or one thousand without ever creating an account.
Why is my Code 128 barcode not scanning?
If your barcode is not scanning, it is usually a hardware limitation or a contrast issue. Ensure the bars are completely black and the background is pure white. If you printed the barcode too small or squished its aspect ratio (making the bars too thin), older laser scanners may struggle. Always test a printed sample before doing a large production run.