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There are a great many QR code generators available as software or as online tools that are either free, or require a paid subscription. The QR code has become one of the most-used types of two-dimensional code.
There is no QRpedia API, but you can use, say, the Google QR code API (other QR code APIs exist) to generate a code with the relevant qrwp.org short URL. for example: http://en.qrwp.org/Amsterdam. or: http://sv.qrwp.org/Vincent_van_Gogh. Note the use of underscores in the latter; and that you can use any two-letter language code ("en, "sv", etc ...
Rectangular Micro QR Code (also known as rMQR Code) is two-dimensional (2D) matrix barcode invented and standardized in 2022 by Denso Wave as ISO/IEC 23941. [2] rMQR Code is designed as a rectangular variation of QR code and has the same parameters and applications as original QR code.
Add an extra security step to sign into your account with 2-step verification. Find out how to turn on 2-step verification and receive a verification code, and how to turn off 2-step verification...
High Capacity Color Barcode (HCCB) is a technology developed by Microsoft for encoding data in a 2D "barcode" using clusters of colored triangles instead of the square pixels conventionally associated with 2D barcodes or QR codes.
A QR code payment is a mobile payment method where payment is performed by scanning a QR code from a mobile app. This is an alternative to doing electronic funds transfer at point of sale using a payment terminal . [2]
Code4Green-A Free Code Generation tool Code4Green: SharePoint, C#, VB.Net, Java, ASP.Net, HTML, SQL Database 2009 5.0 Proprietary: Code-g flexible pattern based code generator Abstractmeta Java 0.30 2012-05-20 Apache License 2.0 CodeBhagat CodeBhagat LLC Windows (C# / .NET) 2014 1.0 2014 Proprietary: CodeCharge Studio Yes Software
Most modern smartphones are able to decode barcode using their built-in camera. Google's mobile Android operating system can use their own Google Lens application to scan QR codes, or third-party apps like Barcode Scanner to read both one-dimensional barcodes and QR codes.
The most popular application for Data Matrix is marking small items, due to the code's ability to encode fifty characters in a symbol that is readable at 2 or 3 mm 2 (0.003 or 0.005 sq in) and the fact that the code can be read with only a 20% contrast ratio.
The check-in code or the venue code ( Chinese: 场所 码, Chǎngsuǒgmǎ) is a QR code to record check-in locations for contact tracing and epidemiologic investigations. It was widely used in Australia and China during the COVID-19 pandemic in 2020–2022.
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