While Quick Response, or QR, codes aren't as prevalent as they once were, they can still prove handy in certain situations, say, scanning a two-factor authentication profile. If you have an Android device, you'll need to download an app to take advantage of QR codes, but for iPhone and iPad users, that functionality is built right in.
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Do you need to quickly create a QR code? We've shown you how you can use goo.gl to make QR codes in a jiffy, but Make Tech Easier's trick is the fastest method we've seen yet.
iOS: Scanning QR codes with your iPhone should be a simple affair, but even our favorite app for the job has added a signup process and other features that aren't really necessary. QR Code Simple offers only what you need to scan codes without pointless additions.
As one of the three big retailers running toy sales right now, Big W expects to sell around 3.5 million toys over the next fortnight. How does it use technology to make that happen, and how does it ensure that its online store doesn't crash under the weight of demand?
Android: If you want to share your Wi-Fi network with other Android users without having to give out your WPA passcode, you can use the previously mentioned Wifi Joiner app which generates a QR code for your network, but that requires the other user to have Wifi Joiner installed too. Another QR network option is to use Barcode Scanner, which is a more versatile app. Here's how.
When moving or just organising, QR codes are great to quickly find what items are in your boxes. Boxmeup takes this up a level by combining their QR generator with an online list of the items in your boxes. You can even search your account on the site and find out what box you left your snorkelling gear in.
QR codes have loads of handy uses -- but like almost everything else in technology, they can also be exploited by the nasty-minded for their own evil schemes. Anti-malware software developer AVG reminds us that scanning a QR code onto your phone when you're not sure of the provenance can be a risky business.
There are a ton of QR code scanners for iPhone so it almost seems silly to highlight one above the rest, but if you've gone through a bunch of them you know they're not all made equal. Scan is great because you launch it, it's immediately in scanning mode, and it can pick up a code within seconds. There is no BS — it just does its job.
QR codes, or "Quick Response" 2D bar codes created to be scanned in with your mobile device, have been popping up in mainstream locations for a while now. These codes can be attached to anything from a movie poster to a drink can, and using this trick you can now easily addone to your Wordpress (or any other) blog.
Windows/Linux/iOS: Ever wish you could scan QR codes and other barcodes from your computer, without pulling out your phone? (Maybe you miss your old CueCat?) ZBar is a simple cross-platform tool that scans barcodes from images and webcams.