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  1. UPC, Barcode and Label Generator Tools - Barcodes Inc

    Completely free online barcode generator outputs many different symbologies in JPEG or PNG format

  2. Free Online Barcode Generator: Create Barcodes for Free!

    Test this online barcode-generator without any software installation (Terms of Service) and generate your barcodes right now: EAN, UPC, GS1 DataBar, Code-128, QR Code®, Data Matrix, PDF417, …

  3. Free Online Barcode Generator - Barcode-Maker.com

    Free Barcode Generator is an online tool that allows users to easily create various formats of barcodes and QR codes. It supports multiple encoding types and enables users to generate barcodes in real …

  4. Barcode - Wikipedia

    A barcode or bar code is a method of representing data in a visual, machine-readable symbolic form. Initially, barcodes represented data by varying the widths, spacings and sizes of parallel lines. These …

  5. Free Barcode Generator - Cognex

    Everything you wanted to know about barcode scanning, from types of codes to marking methods. Each symbology type serves a unique purpose, helping businesses track, manage, and identify products …

  6. Barcode and QR Code Generator

    Instantly create Code 39 & 128, EAN, UPC barcodes or QR codes using Wasp's free online barcode generator. Choose a common linear barcode type to generate.

  7. Free Online Barcode Generator - Create Unlimited Barcodes | BarcodX ...

    The fastest free online barcode generator. Paste a list or import a file to generate unlimited CODE 128, GS1-128, QR Code, EAN, or UPC barcodes instantly.

  8. Free Barcode Generator

    Create any type of barcode online for free. No signup needed. Supports QR, Code 128, PDF417, and more.

  9. Barcodde - Free Online Barcode Generator

    Generate EAN-13, UPC-A, QR Code and more with Barcodde. Bulk or single barcode creation, fast and exportable.

  10. Barcode | Definition, Examples, & Facts | Britannica

    Feb 4, 2026 · barcode, a printed series of parallel bars or lines of varying width that is used for entering data into a computer system. The bars are typically black on a white background, and their width and …