BarcodeYard Guides
Barcode & QR Code Guides
Practical answers for choosing, creating, printing, and using barcodes and QR codes. Start with a topic below, then jump directly into the matching generator.
Topic cluster
UPC & EAN product barcodes
Learn how common retail barcode formats work, how they differ, and how to create symbols from identifiers you already have.
What Is a UPC?
Learn how UPC-A product barcodes work and what the 12-digit identifier represents.
Read guide →How to Create a UPC Barcode
Create a UPC-A barcode from a valid identifier and prepare it for download or printing.
Read guide →What Is an EAN?
Understand EAN-13 product barcodes and their role in retail identification.
Read guide →What Is a 13-Digit Barcode?
Learn why EAN-13 is the common 13-digit retail barcode and what its check digit does.
Read guide →UPC vs EAN: What's the Difference?
Compare UPC-A and EAN-13 and choose the format that matches your product identifier.
Read guide →Topic cluster
Barcode formats & workflows
Understand barcode types, symbologies, printing, and practical workflows for labels, products, inventory, and business data.
Barcode Types Explained
Compare UPC, EAN, Code 39, Code 128, ITF-14, and ISBN and understand where each fits.
Read guide →What Is Code 128?
Learn why Code 128 is widely used for logistics, inventory, shipping, and business data.
Read guide →Code 128 vs Code 39
Compare two common linear barcode formats and choose the one your workflow requires.
Read guide →What Is Code 39?
Learn the Code 39 character set, common uses, and how to create one.
Read guide →What Is ITF-14?
Learn how ITF-14 is used for trade units, cartons, and logistics workflows.
Read guide →Barcode Printing & Size Guide
Learn practical sizing, contrast, quiet-zone, and testing considerations before printing.
Read guide →Barcode vs QR Code: What's the Difference?
Compare traditional barcodes and QR codes and learn when each is the better choice.
Read guide →Topic cluster
QR code creation & use
Practical QR code guidance for menus, scanning, static and dynamic codes, and everyday business use.
How to Scan a QR Code Without an App
Learn how to scan QR codes with built-in phone features and troubleshoot common problems.
Read guide →How to Create a QR Code for a Restaurant Menu
A practical guide to creating, testing, printing, and placing a restaurant menu QR code.
Read guide →Static vs Dynamic QR Codes
Compare static and dynamic QR codes and understand the tradeoffs before choosing one.
Read guide →Use the tools
Create the code you just learned about
Each topic connects to a free generator so you can move from an explanation to a usable barcode or QR code without leaving BarcodeYard.