Create professional barcodes in one second. Code 128, EAN-13, UPC-A and more formats. Download high-resolution PNG or SVG.
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Barcodes are one of the most widely used tools in global commerce and logistics. Every day, billions of products are scanned using barcodes to track inventory, speed up checkouts, and manage shipments. This free generator lets you create professional barcodes in 6 different formats, ready for printing or digital use.
EAN-13 — The European standard for retail products. Required by all supermarkets and stores in Europe, Asia, and most of the world. If you sell physical products in stores, this is the format you need. Requires GS1 registration to obtain an official company prefix.
UPC-A — The American and Canadian standard. Functionally equivalent to EAN-13 but with 12 digits instead of 13. Required for selling in US and Canadian stores. UPC codes can be converted to EAN-13 by adding a leading zero.
Code 128 — The most versatile format. Supports letters, numbers, and special characters. Ideal for shipping labels, internal inventory, serial numbers, and any application requiring alphanumeric text. No GS1 registration needed.
Code 39 — Used in military (US Department of Defense), logistics, and healthcare. Supports uppercase letters, numbers, and some symbols. Longer than Code 128 for the same data, but widely supported by legacy scanners.
If you run an e-commerce store or physical shop, barcodes are essential for inventory management. You can generate codes for internal use (warehouse, shelves, company assets) without GS1 registration, using Code 128 or Code 39. For retail channels, you'll need to register your EAN/UPC codes with GS1.
Complete your business toolkit with other free tools: the QR code generator for marketing, the margin calculator for pricing, and the invoice generator for billing.
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Generate marketing texts free →Code 128 is the most versatile and supports all ASCII characters. EAN-13 is the European product standard (13 digits). UPC-A is the American standard (12 digits). Code 39 is used in logistics and defense. ITF-14 is for shipping cartons. Codabar is used in libraries and blood banks.
The check digit is calculated automatically by the generator. EAN-13 requires 12 digits + 1 check digit. UPC-A requires 11 digits + 1 check digit. The calculation follows the GS1 standard: alternating sum × 1 and × 3, modulo 10.
The generated barcodes are technically valid. However, to sell in retail stores you need EAN/UPC codes registered with GS1 (the international organization that assigns company prefixes). For internal use, warehouse, or inventory you can use any format without registration.
Code 128 is the best choice for general use: it supports letters, numbers, and symbols, is compact, and readable by all scanners. If you only need to encode numbers, Code 128 automatically compresses them in mode C.
No. Barcodes are generated entirely in your browser using the JsBarcode library. No data ever leaves your device.
PNG is a raster image suitable for web and fixed-size printing. SVG is a vector format that scales without losing quality, ideal for professional printing and graphic design.
Barcodes (1D) encode data in vertical bars and hold less information (usually numbers or short text). QR codes (2D) use a grid of squares and can hold URLs, contacts, WiFi, and much more data. Barcodes are more common in retail products.
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