Frequenty Asked Questions

 

Read our FAQs below...

 

QR is an acronym and the letter Q means "Quick" and the letter R means "Response".

Encodes fixed information directly into the code. Once generated, the content cannot be changed. If you need to update the information, you have to create a new QR code. Ideal for information that doesn’t need to change, such as plain text, email addresses, phone numbers, or simple URLs. Does not support tracking or analytics. You cannot see how many times the QR code was scanned or gather any other metrics.

Encodes a short URL that redirects to the actual content, which is stored on a server. The content can be changed or updated without changing the QR code itself. You can update the destination URL or the content it points to. Suitable for situations where the information may need to be updated, such as marketing campaigns, promotional offers, or product details. Supports tracking and analytics. You can gather data on the number of scans, location of scans, time of scans, and sometimes even the device used.

Static QR Codes are simple, fixed, and unchangeable. Dynamic QR Codes offer flexibility, editability, and trackability.

Yes, it is possible to encode Chinese, Korean, or any other Unicode-supported text in a QR code. QR codes can handle a wide range of character sets, including those used in Chinese and Korean languages, thanks to their support for UTF-8 encoding.

A QR code itself cannot directly store an image or sound file due to its data storage limitations. However, you can encode a URL or data that links to an image or sound file, allowing users to access the media when they scan the QR code.

Yes, it is possible to use QR codes with colors and inserted illustrations, but there are some important considerations to ensure they remain scannable and functional. Ensure the QR code has high contract between the foreground and background colors. Ensure the logo or illustration does not cover more than 30% of the QR code to avoid interfering with its scannability. Place the illustration or logo in the center of the QR code, avoiding the edges and corners where key patterns are located.

The minimum size for a QR code depends on several factors, including the amount of data it contains, the printing method, and the scanning distance. For most applications, a QR code should be at least 2 x 2 cm (0.8 x 0.8 inches) to ensure reliable scanning.

QR codes have four levels of error correction (L, M, Q, H), with H being the highest. A higher error correction level allows the QR code to be read even if part of it is obscured by an illustration or damaged.

Yes, QR codes can be used in foreign countries without any issues. QR codes are a universal technology that can be scanned and read by any QR code scanner or smartphone equipped with a camera and a QR code reading app.

Yes, it is possible to read a QR code printed on a transparent object, but there are several considerations to ensure the QR code remains scannable: Good constrast between the foreground and background colors. Size and consider adding an opaque border around the QR code.

There are 40 different versions of QR codes, each with a varying capacity for data and complexity in terms of the number of modules (the black and white squares) they contain. These versions are standardized and follow the ISO/IEC 18004 specification.

"QR codes are not going to die; they are simply going to morph and evolve into something even better." ~Debbie Millman

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