![]() ![]() is our favorite because you can change the error correction level from low (L) through M and Q to High (H). There are many code maker sites available. That especially applies to the large ‘Henry V’ Code that’s more likely to fail or return something quite wrong, like a UPC barcode!. We tested all the images in this article and they scanned OK on Android and Apple devices, however some are marginal examples and might not always scan correctly. You can quickly test a code with your smartphone near a computer screen but the final test is on paper or whatever medium you want. Definitely test the code if you’ve changed the original code in any way. Even if you’ve pasted the images directly from a code maker don’t assume everything will be OK. Always TestĪlways test your QR Codes before publishing them, preferably printed out on the same type of paper. Code readers need that space to discern a code from everything else around it. The empty, usually white, space around the QR Code is important.
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