1D Barcodes and 2D Symbols: How are they the same—and different?

If you are already familiar with 1D or linear barcodes such as UPC and Code 128, you will find a lot of familiar things in 2D or Matrix symbologies, but some of those familiar things may be done in unfamiliar ways. Start/Stop Pattern (image on left) For example, in 1D barcodes there are start/stop patterns that precede and trail the variable encoded...

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How To Use The Barcode.com Website

Welcome to the Barcode.com website.  Now finishing it's seventh year, the site remains an outstanding place to find information about various elements of the bar code industry. 

In the definition of the words "bar code", we include QR codes, 2D codes, RFID and areas like the supply chain and the use of bar codes in retail, industrial, field service, supply chain, manufacturing and municipal / governmental areas. 

Since inception, millions of visitors have used us for news, information and bar code resources like printing a bar code, buying a bar code, finding bar code software for your small business or enterprise-wide barcoding for a Fortune 100 company.   

If you want to learn about actual implementations of bar codes in the supply chain or factory automation, visit our Barcode Solutions section.  You'll find ten different categories of implementation, and numerous case studies and success stories in each category.

If you are just getting started with bar codes, you might want to visit our section on Learning About Bar Codes.  There are dozens of informational articles that talk about whether to print your own bar codes or buy them preprinted, or what kind of bar code labels to use, discussions of mobile bar code printers, how to verify a bar code and much more.  

The Barcode.com website has over 3,000 articles - many from top experts in their niches.   We encourage you to use the Search link on the left side to find what you need. "Multi word" searches should be in quotes. 

Barcode.com does not sell any products or services.  We are independently owned and operated and have no ownership in any company, except for the occasional investment in a publicly traded company.  If we feel a product is worthwhile, we will endorse it.  If not, we will say so.   If you need help on an issue, you are welcome to write to us using the Contact link on the Footer menu.  Barcode.com relies on sponsors to stay in business.  Just as with any publishing business we employ writers, graphics people, programmers, accountants, lawyers, marketing people and more.  We hope that you will patronize the sponsors on this site, and that you will let them know you found them here.   Thank you!