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What is the difference between 1D (Linear) and 2D barcodes?


I am required to use a 2D barcode for my project. What does it look like and what is the difference?


06-18-12     12.3 year(s) ago    

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Ben

Best Answer

Updated 4/5/2021: Added DotCode

1D Barcodes:

Barcodes representing data in the widths (lines) and the spacings of parallel lines such as Code128, Code 39, and UPC, are referred to as Linear or 1D (one-dimensional) barcode symbologies.

1D Barcode:
• Holds less than 85 characters (symbology-specific character limit).
• A majority of customers are set up to use Linear barcodes (Linear scanners).
• Creates a wide barcode.
• May be difficult to scan from phone and tablet cameras.

image

1D Barcode Types:
Code 128
Code 39
Interleaved 2 of 5
UPCa, UPCe EAN8, EAN13
Databar
USPS IMB

============================================================

2D Barcodes:

Two-dimensional (2D) barcodes, such as Data Matrix, PDF417, and QR Code, may have patterns of squares, dots, hexagons, and other geometric patterns. While maintaining a fairly small size, these barcode types hold much more data than linear barcodes. 2D barcodes can hold hundreds of characters.

2D Barcode:
• Encodes/holds hundreds of characters.
• Requires a 2D barcode scanner.
• Creates a smaller barcode than 1D.
• Easily scanned from phone and tablet cameras.

image

2D Barcode Types:
Data Matrix
QR Code
Aztec
PDF417
MaxiCode
DotCode

Posted 12.3 year(s) ago

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