QR Code vs Barcode: What's the Difference?

Barcodes vs QR codes in one line

A traditional barcode is one-dimensional — a row of vertical lines that stores a small number. A QR code is two-dimensional — a grid of squares that stores far more data and can be scanned in any orientation. Both are "barcodes," but they solve different problems.

How much data each holds

• Linear barcode (UPC/EAN): around 20–25 characters — enough for a product number.
• QR code: up to several thousand characters — a full URL, contact card, Wi-Fi credentials, text and more.

How they're read

Barcodes usually need a dedicated laser scanner and must be aligned horizontally. QR codes are read by any smartphone camera from any angle, and keep working even if part of the code is damaged, thanks to built-in error correction.

When to use each

• Use a barcode for retail point-of-sale and inventory, where a fixed scanner reads a product ID.
• Use a QR code when you want people to scan with their own phone and be taken somewhere — a website, menu, payment, Wi-Fi, app download or contact card.

Why QR codes took over marketing

Because everyone carries a scanner (their phone), QR codes turned print into an interactive channel: scan a poster to watch a video, a menu to order, a shelf tag to buy. A barcode can't do that — it just holds a number a store looks up.

Create a QR code

Need a QR code for a link, contact, Wi-Fi or payment? Make one free with our QR code generator and explore every type we support.