BizzAI Blog
How QR codes work on visiting cards and beyond: sizes, colours, scanning and design.
Creating a QR code for a location is simple. A location QR code is a normal QR code that holds a Google Maps link. Someone scans it, and their phone opens that place in Google Maps or the browser. To make one, copy the place link from Google Maps, paste it into a QR code generator, download the code, and test it....
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There is no official minimum or maximum size for a QR code. Denso Wave, the company that invented it, says to print the code "as large as possible within the available printing area". In practice the size depends on how far away people will scan it, how well your printer reproduces small squares, and how much space...
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A circular QR code is not really round. Every QR code keeps a square grid of modules, and a circle, heart or other shape is a design built around that square core. That is why custom QR code shapes are mostly cosmetic, and why they still scan as long as the important parts stay intact. Those parts are the three...
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Colorful QR codes can scan well, as long as they have strong contrast. A QR code scanner does not read colour. It reads how bright the dark and light parts are. So blue on white or navy on cream can work, because the dark parts are much darker than the light parts. The safe rule is a dark code on a light...
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To scan a QR code on a TV, open your phone's Camera app or Google Lens and point it at the code on the screen. If it will not scan, the cause is usually glare, brightness, distance, focus or an expired code, not a broken code. Dim nearby lights, turn up the screen brightness, and move closer or further away until...
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You can scan a QR code with the Camera app that is already on your phone. No extra app is needed on most phones. On an iPhone, open the Camera app and tap the link that appears. On an Android phone, open the Camera app, make sure camera scan suggestions are on, and tap the bubble or link that appears. If the Camera...
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