QR Code Decoder
This is a free service to read and decode QR codes online.
Online QR code Decoder
This is a free service to read and decode QR codes online. Upload a picture with a QR code in it or take picture of a QR code with a camera and this decoder will try to read it and show what is encoded in the QR code.
What is QR code
QR code stands for Quick Response Code. It is also known as a matrix barcode. In 1994, when it was created for the first time. It is a machine-readable code encrypting data about the product that is attached to it. QR codes allow large storage capabilities, including numeric, alphanumeric, byte/binary, and kanji.
QR code structure and characteristics
When coding in a QR code format, information is arranged horizontally and vertically using black squares against a white background inside a square grid. QR codes can hold a wide variety of data but their limit depends on the type of data being stored. If the input mode is only numeric for example, then a QR code can store up to 7,089 characters. Many QR codes are a mixture of input modes and will, therefore, have varying sizes and capacities.
How to use QR codes
Due to its vast storage capacity and its easier readability, the QR code became the go-to barcode outside of the automotive industry, embarking on item tracking and identification, online marketing techniques, and much more.
Compared to the standard UPC barcodes we encounter, a QR code can be read by almost any imaging device, such as smartphones, making it a hit for mobile marketing and applications. It is further processed using Reed-Solomon error correction. QR codes have been used in many businesses to expand their consumer base and are great for product management as well.
How to scan QR code on the phone
You will first need to find a QR codes decoder and your phone should be equipped with a camera. Make sure to download the correct QR code depending on your phone’s platform, such as iOS or Android. Most apps are free to use and should work right away with no issues.
How to scan QR codes using your tablet
Your tablet should support a camera feature as well as application downloads. You do the same steps as with a smartphone to start scanning QR codes.