About QR Reader
QR Reader is a web-based application that allows you to scan any QR code without downloading any software or an app. With its simple user interface, you can easily scan or read a QR code from your images or with your device's camera.
We respect your privacy and QR Reader does not collect any data outside of your web browser. Our privacy policy statement is clear, direct, and easy to understand, and it accurately reflects our site's data collection and use. You can read our privacy policy here.
QR Reader was created by thirdwheel studios. For more information about QR Reader and other apps visit the blog here.
What are QR codes?
- QR code stands for quick response code and is a type of matrix barcode that can store various types of data
- QR codes were invented in 1994 by Masahiro Hara from Denso Wave, a Japanese company that is a subsidiary of Toyota Motor Corporation
- The purpose was to keep track of automotive parts during manufacturing and replace several barcodes on each box
- The initial design was influenced by the black and white pieces on a Go board
- QR codes became popular outside the automotive industry due to its fast readability and greater storage capacity compared to standard barcodes
Frequently asked questions
What is a QR code?
A QR code is a type of barcode that can store various types of data. For example, a URL, a phone number, or a text message. QR codes are used in a variety of applications, such as tracking inventory, sharing contact information, and more.Can I scan a QR code from a saved image?
You can scan QR codes from images or screenshots without using your camera. As long as it is saved on your device.Do I need to install any additional apps or browser extensions?
No, QR Reader works exclusively using functionality that is already built into your web browser. There is nothing else that you need to install in order to use QR Reader.Does QR Reader use my data?
QR Reader does not collect any data outside of your web browser. For your convenience, we keep a history of your previously scanned or created QR Codes. These QR codes are stored exclusively in your web browser and are never uploaded or shared anywhere else.Is it safe to use a QR code?
QR codes are not unsafe by themselves, but they may contain malicious data that can harm your device or compromise your privacy. You should always scan QR codes from trusted sources and avoid clicking on suspicious links.How do I generate a QR code?
You can use QR Reader's QR code generator to generate QR codes with ease. Just type in the information you want to store and a QR code will appear instantly for you to save and share as you wish.What are popular uses of QR codes?
QR codes have many different use cases including, but not limited to:- Used on event tickets to allow contactless entry and verfication
- Used on product packaging to share product information and setup instructions
- Used on posters and promotions to provide a convenient link to more information
- Used in a museum or art gallery to provide more information about the subject
- As a digital gift voucher to be given as a present