by Donatas Simkus | Mar 11, 2026 | Use Cases
If you are wondering how long do qr codes last, the QR pattern itself does not have a built-in expiration date. A QR code can keep working as long as it stays scannable and whatever it points to still works. In real life, failures usually come from physical damage,...
by Donatas Simkus | Mar 10, 2026 | How To Guides
To join WiFi on an iPhone, 1) Open the iPhone Camera app, 2) Point it at the WiFi QR code until a join banner appears, then 3) Tap the banner and confirm. If no banner shows, adjust lighting and distance, and make sure QR scanning is enabled. The same idea applies on...
by Donatas Simkus | Mar 9, 2026 | QR Code Types
A QR code on a receipt is a two-dimensional barcode printed on a paper receipt or shown on a digital receipt that links your specific purchase to an online action. When you scan it with your phone, it typically opens a web page or app flow for things like feedback,...
by Donatas Simkus | Mar 8, 2026 | How To Guides
To make a QR code for a Discord server, 1) create a Discord invite link with the right expiration settings, 2) paste that link into a QR code generator, and 3) download a print-safe file (SVG/PDF or high-resolution PNG) and test scans on phones. Printed codes fail...
by Donatas Simkus | Mar 7, 2026 | How To Guides
For reliable scanning, a QR code sticker should be sized for the scan distance and printed with crisp, high-contrast edges plus a proper quiet zone. A common rule of thumb is a 10:1 distance-to-code-size ratio, and a practical minimum is about 2 cm (0.8 in) square for...
