1D vs 2D Barcode Scanners: What's the Difference and Which One to Choose?

Today a barcode scanner is essential in every business — whether in warehouse management, retail or manufacturing. Before choosing a device, it pays to understand the difference between 1D and 2D barcode scanners and which one fits your workflow best.

What is a 1D barcode?

A 1D barcode, or linear barcode, consists of black and white stripes that encode information horizontally.
Typical examples:

• EAN-13, UPC, Code 128, Code 39
  These are widely used in retail, on price tags and product packaging.

1D scanners use a laser or LED light to scan the code line by line.
✅ Advantages:

• Fast and accurate for scanning standard products
• Affordable price
• Well suited to checkouts and smaller warehouses

❌ Drawbacks:

• Reads in one direction only (horizontal)
• Cannot read QR codes or damaged labels

What is a 2D barcode?

A 2D barcode (two-dimensional code) stores information both horizontally and vertically.
Examples:

• QR Code, Data Matrix, PDF417, Aztec Code

2D scanners use an image sensor (imager) that "photographs" the code and decodes it instantly.
✅ Advantages:

• Reads all codes (both 1D and 2D)
• Works from any angle, including phone screens and damaged labels
• Suited to warehouses, manufacturing and mobile terminals

❌ Drawbacks:

• Higher price
• Somewhat more complex maintenance

Which one to choose?

The choice depends on your business needs:

• If you need a simple, fast solution for your POS, a 1D scanner is enough.
• If you process QR codes, packaging, documents or codes scanned from mobile screens, definitely choose a 2D scanner.

The trend is moving ever more towards 2D technology, as it offers flexibility and future-proofing.

Summary

1D scanners are affordable and practical, while 2D scanners offer more functionality and reliability.
Scanshop.ee stocks both — from simple USB scanners to industrial Honeywell, Zebra and Datalogic models for every workflow.

Browse the range 👉 Barcode scanners at Scanshop.ee