Frequently Asked Questions

QR code stands for Quick Response Code and is barcode type that was invented by Denso Wave in 1994. Get more information at Wikipedia.

We cache your QR code creation progress on your device and images on our server for 24 hours for a better performance of QR Cola.

Yes, all QR codes you created with this QR generator are free and can be used for whatever you want.

Yes, in a dynamic QR Code you can change the destination URL at any time. Static QR Codes have the destination address is permanently entered and the URL can not be changed after creation. Learn more about a static versus a dynamic QR Code.

Yes, static QR Codes are free due to the limited features they offer. But dynamic QR Codes involve a paid subscription as they offer features such as tracking, editability, etc. Consider your needs - if you just need a simple QR Code for a fixed piece of information, a free QR Code generator will do. But if you need advanced features and security, a paid dynamic QR Code service might be a better option.

You can easily scan a QR Code using your mobile device. Just open the camera app or a QR Code scanner, and aim it towards the QR Code. For excellent scannability, we recommend printing good-quality, high-resolution QR Codes. If you plan to deploy the QR Codes in coarse environments like a construction site, we recommend creating durable QR Codes with high error correction levels.

QR Codes are exploding in popularity. Use them to gather instant feedback, share engaging content, and video demos, create marketing campaigns, and much more.

QR codes are a type of two-dimensional barcode that stores data in a structured, machine-readable format. These codes mostly consist of an assortment of black and white squares arranged in a specific pattern. However, some companies like Flowcode offer different shapes, patterns, and colors to make your QR code pop. When scanned with a smartphone camera, the code is able to quickly and accurately decode the data it holds and perform an action, such as opening a website, sending an email, or connecting to WiFi. There are many platforms that let you create a QR code, but Flowcode has the #1 free QR code generator because of the customization features you get.

QR Cola! It is easy to use and provides a variety of features such as the ability to customize the design, pattern, color, and features the ability to track the code once it has been scanned. On top of this, QR Cola has an all-star customer support team who are available to help whenever you need it!

Free QR codes typically are static — this means, when you produce a code, you can never change the online destination that it scans to. All of the codes are dynamic, meaning you can change the destination of your code even after you create it.