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Online QR Code Decoder

Online QR Code Decoder

Online QR Code Reader

This is a free service to read and decode QR codes online. Upload a picture with a QR code in it or a web reference to an image of a QR code and this decoder will try to read it and show what is encoded in the QR code.

Upload QR code image:

OR

Website URL to QR code image:

QR Code reading tips!

This QR code decoder has been programmed to act like an average smartphone. It's not rocket science!

  • Focus and format. (ensure focus and QR code format are GOOD)
  • Image area considerations. (ensure QR code is at least 50% of the image area)

For examples see the FAQ

 

QR Code Reader for laptops and computers with a webcam

Download and read and decode QR codes on your own computer. For Windows XP. For laptops and computers with a webcam. The key to activate the desktop QR code reader is available in the FAQ section

QR code generator software

Generate QR codes with the worlds most advanced QR code generator software.

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What 2D codes can this decoder read

The qr4 online QR code decoder reads QR codes and Datamatrix codes only.

What do QR codes and Datamatrix codes look like

QR Code for http://blog.qr4.nl

blog.qr4.nl QR code

Datamatrix Code for http://blog.qr4.nl

blog.qr4.nl Datamatrix

Offline QR Code Decoder

Desktop and laptop QR Code decoder. Requires a webcam and Windows® Vista and earlier. More information on this application can be found at: 'Installing the desktop QR code decoder' video on YouTube®. Detailed blog article on this decoder in Dutch.

What 2D codes will not work with this decoder:

blog.qr4.nl Microsoft Tag

This is a proprietary 2D barcode from Microsoft called a 'Microsoft Tag'. These codes are generated only by Microsoft and a special 'tag' reader from Microsoft is needed to be able to read them.

More information on these 2D codes can be found at http://tag.microsoft.com/consumer/index.aspx

blog.qr4.nl EZcode

This is a proprietary 2D barcode from ScanLife called a 'EZcode'. These codes are generated only by ScanLife and a special reader from ScanLife is needed to be able to read these barcodes.

More information on these 2D codes can be found at http://web.scanlife.com/index.php

blog.qr4.nl Beetagg

This is a proprietary 2D barcode from Connvision called a 'Beetagg'. These codes are generated only by BeeTagg and a special reader from BeeTagg is needed to be able to read these barcodes.

More information on these 2D codes can be found at http://www.beetagg.com/

Shotcode barcode

A Dutch proprietary 2D barcode from a company called 'Shotcode'. These codes were generated by Shotcode alone and a special reader application was required to be able to read these barcodes.

Shotcode became known in 2006 with this barcode, but were far ahead of the market at the time, the company stopped operations in 2008.

QuickMark barcode

A Taiwanese proprietary 2D barcode from a company called 'SimpleAct'. These codes are called QucikMark generated by SimpleAct alone and a special reader application is required to be able to read these barcodes.

More information about QuickMark can be found at http://www.quickmark.com.tw/En/basic

Qode

An Ameican proprietary and patented 2D barcode from a company called 'NeoMedia'. These codes are called Qode appear to be generated by NeoMedia alone and a special reader application is required to be able to read these barcodes.

More information about Qode can be found at http://www.qode.com/en/hiw.jsp

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