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You can draw a QR code by hand, but it is slow and easy to get wrong. A QR code is a grid of squares that follows strict rules, so every square has to be in the right place. This guide explains how a QR code is built, how small one can be, and how … Read more

To get a QR code for your Facebook page, copy the page’s web address and turn it into a QR code. The same method works for LinkedIn, YouTube and most other profiles. This guide shows the steps for each, plus the options some apps already offer, so customers can follow you with one scan. The … Read more

A static QR code never expires, but the page it points to can disappear, and some dynamic QR codes stop working when a subscription ends. So whether a QR code expires depends on its type and on where the link leads. This guide explains the difference, how long codes last in practice, and how to … Read more

The most reliable way to scan a QR code on a MacBook is to use your phone camera on the Mac screen. Recent versions of macOS can also recognize a QR code inside an image, and Google Lens in Chrome is another option. This guide covers each method for Mac and other laptops, plus safety … Read more

QR stands for “Quick Response.” The name reflects what the code was built to do: be read very fast. A QR code is a square pattern that stores data, such as a web link or text, and a phone camera can decode it in a moment. This guide explains where the term comes from, how … Read more

To create a QR code in Canva, open a design, search the Apps panel for “QR Code”, paste your link and click Generate. Canva then adds the code to your design, and you can resize it and download the design as usual. This guide walks through each step, shows how to keep the code scannable, … Read more

To create a QR code for a PDF, put the PDF online and make a QR code of its link. A QR code cannot hold a whole file, because it only stores a small amount of text. So the code points to the PDF, and people scan it to open or download it. This guide … Read more

A Wi-Fi QR code lets guests join your network by scanning, with no password typing. You create it from a short line of text that holds the network name, the security type and the password. This guide shows the exact format, how to generate and test the code, and the safety points to think about … Read more

A QR code on a business card links people straight to your website, portfolio or contact details with one scan. To make one, decide where the code should lead, generate it, and print it big enough to scan. This guide covers each step, what to link to, and the mistakes that make a printed code … Read more