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A Quick Response (QR) code is an image that can be scanned by a phone camera or similar device to relay information embedded into it. Converting an image to QR code is quite simple; there are a number of different programs that you can use to handle this process for you. You can even use websites to make one that you can then print, save, or have emailed to an account for further use. Once you convert your image to QR code, you can also add pictures over the code if you are very careful.
Although QR codes are images themselves, they are not visually recognizable as anything but a collection of straight lines and shapes in a square array. They can be scanned using a phone or a device with a scanner, however, which then displays the information encoded into them. There are a number of different ways in which you can convert an image to QR code, though it is easiest if you use either a program or a website that handles the conversion for you.
Different software programs can be used to convert an image to QR code, often quite quickly and easily. Simply use the program to open or import the image file, and convert it to a code. You may be able to make changes or adjustments to the code as you are creating it, such as adding or changing colors to different areas of it and rotating it. Many of these programs are free to use, though some commercial software can also help you manage and track usage of codes once you create them.
There are also websites that you can use to quickly and easily convert an image to QR code. Simply choose an appropriate site, and then upload the image you want or choose one that is already hosted online. The site then generates the code for you, and may allow you to make some adjustments or changes to its image. Different websites may give you various options, but you can often save the code, print it out, or have it emailed to a particular address.
Once you convert an image to QR code, you may also be able to use a picture as part of it. Most have about 30% error correction, which means that about that much of the image can be covered or removed and it can still be scanned. Using a small picture, you can place it over the middle of the code and make it more visually interesting and unique. Care must be taken when doing this, however, as you can easily make it unusable.
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