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QR Code Decoder

QR Code Decoder

QR code (short for Quick Response code)
Denso Wave invented the QR code (short for Quick Response code) in 1994, which is a type of matrix barcode (also known as the two-dimensional barcode). A barcode is a data-carrying optical label that can be read by machines and holds information about the object to which it is attached.

In reality, QR codes frequently contain information for a locator, identifier, or tracker that directs users to a website or application. A QR code uses four encoding modes (numeric, alphanumeric, byte/binary, and kanji), as well as extensions, to store data effectively.

Outside of the automotive industry, the Quick Response system has gained popularity due to its faster readability and bigger storage capacity than standard UPC barcodes. Some of the uses include product monitoring, item identification, time tracking, document management, and general marketing.

A QR code is a square grid of black squares on a white background that can be scanned by a camera and then processed with Reed–Solomon error correction until the image can be properly read. Patterns in the image's horizontal and vertical components are then used to extract the relevant information.

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