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The Global Insight

What a barcode means?

Author

John Hall

Updated on March 24, 2026

A barcode, consisting of bars and spaces, is a machine-readable representation of numerals and characters. A barcode consists of bars and spaces of varying width that can be read with an optical barcode scanner.

Can I create my own barcodes?

You can get barcode scanners on Amazon or another specialized online store for under $50. Most barcode generators are free. In fact, you can use the Barcode Font in Microsoft Word to generate your own barcodes. Therefore, with less than $100, you can create a system set to make your own barcodes.

How do I check a barcode?

How to Test a Barcode

  1. Know Your Symbologies and Standards: To get an appropriate verifier, you need to understand which symbologies you’re testing, such QR Codes or UPC.
  2. Get a Verifier: To test a barcode, you need a barcode verifier.
  3. Create a System: Next, you need to put in place a system for barcode testing.

Is a barcode a QR code?

The main difference between barcodes and QR codes is one of physical dimensions. Barcodes can be scanned in a line. QR codes, on the other hand, add another dimension from which information can be written and scanned. Instead of a single line, these labels can be read both vertically and horizontally.

Which is the barcode number?

The most visually recognizable, the UPC (Universal Product Code) is a linear 1D barcode made up of two parts: the barcode and the 12-digit UPC number. The first six numbers of the barcode is the manufacturer’s identification number. The next five digits represent the item’s number.

Where is barcode used?

Barcodes are applied to products to quickly identify them. Among their many uses, barcodes are typically used in retail stores as a part of the purchasing process, in warehouses to track and manage inventory and on invoices to help with accounting.

How many numbers are in a barcode?

12 digits
The UPC-A (also referred to simply as the UPC) is the standard retail “price code” barcode in the United States. UPC-A is strictly numeric; the bars can only represent the digits from 0 to 9. A UPC-A barcode contains 12 digits, along with a quiet (blank) zone on either side, and start, middle, and stop symbols.

How do I create and print barcodes?

How to Create Your Own Barcodes

  1. Step 1: Go to Avery Design & Print. Open the free Avery Design & Print software.
  2. Step 2: Choose your design.
  3. Step 3: Add barcode.
  4. Step 4: Set up your barcodes.
  5. Step 5: Test your barcode.
  6. Step 6: Choose your printing option.

What is a barcode check digit?

The last digit of a barcode number is a calculated check digit. The check digit is calculated from all the other numbers in the barcode and helps to confirm the integrity of your barcode number. Simply enter the ID Number below and the Check Digit Calculator will calculate the last digit for you.

Is my barcode scannable?

Barcode Producer always creates readable, valid barcodes to the specifications you’ve entered. If you don’t modify the barcode after generating it (for example, manually editing its dimensions in Illustrator) and it’s printed in a high quality way, it will be scannable.

Which is the best free online barcode generator?

Coming soon SSCC-18, PZN, ITF-14, GS1 DataBar, Codablock F, Code 16K, Code 49, Telepen, Channel Code, PosiCode, PDF417, MicroPDF417, GS1 DataMatrix, MaxiCode, Aztec Code, Code One, USPS Intelligent Mail, USPS PLANET, RM4SCC, KIX, JapanPost, AusPost, GS1 Composite, HIBC, USPS FIM. Download in any of the following formats: EPS, PDF, PNG and SVG.

Is there a free online barcode label printer?

Barcode Label Printer – Free Online Barcode Generator. Use the CGI form below to generate a printable and scan-able barcode in Interleaved 2 of 5, Code 39, Code 128 A, B, or C symbologies. This free service can be used to generate individual barcodes or called via URL’s to include inline PNG or JPEG images directly into your documents.

What are the different types of barcodes?

The three different barcode formats and symbologies you’ll find on our website are: UPC. UNIVERSAL PRODUCT CODE. The United States, Canada, the United Kingdom, Australia, New Zealand and many other countries generally use barcodes known as Universal Product Codes (UPCs).

What do the stripes on a barcode mean?

What’s a barcode, anyway? A barcode is a one-of-a-kind code composed of numbers, along with a specific pattern of stripes that represents a particular product. These codes are designed to be scanned by optical readers, just like the ones you see at checkout counters in retail stores. But since the lines correspond to a list of numbers.