How to Scan QR Codes

how to scan qr codes

With the development of business and new technologies, it is increasingly necessary to deal with such a concept as QR Code. Scanning a QR Code is a pretty simple procedure that we have to learn how to do. In this article, CLEARLY and BRIEFLY explain how to SCAN QR CODE using ANY DEVICE. In addition, we will tell you how you can generate and use this code in your life.

QR Code Definition

QR code (abbreviated from Quick Response code) is the trademark for a type of matrix barcode (or two-dimensional barcode) first designed in 1994 for the automotive industry in Japan. In practice, QR codes often contain data for a locator, identifier, or tracker that indicates a website or application. A QR code uses 4 standardized encoding modes (numeric, alphanumeric, byte/binary, and kanji) to keep data effectively; extensions might likewise be used, according to Wikipedia.

The Quick Response system applications include item tracking, product identification, time tracking, document management, and general marketing.

What does it look like? A QR code consists of black squares arranged in a square grid on a white background, which can be read by an imaging device such as a camera, and processed utilizing Reed-Solomon error correction till the image can be properly analyzed. The needed information is then drawn out from patterns that exist in both horizontal and vertical parts of the image.

You can generate your own QR code on Kaywa online service.

How to scan a QR code on an iPhone

  1. Open up the camera app. Apple’s iPhones have built-in QR code scanning capabilities, so there’s no need to download a different scanning app unless you actually want to. Since iOS 12, there’s even a direct QR code reader in the Control Panel.
  2. Position your phone so the QR code appears in the digital viewfinder. The camera app must instantly acknowledge the QR code. Of course, the right range and angle can assist. The QR code doesn’t need to fill the entire screen, however all four corners ought to be visible. If your cam is too angled, the app may have problem recognizing the code, so a straight-on approach is best. Image stabilization innovation helps a lot with the shakes, but try to avoid moving excessive so the code square stays noticeable.
  3. Launch the code. Your iPhone will not instantly initiate the QR code activity. Rather, a notice bar will turn up at the top of the screen, showing that the QR has been understood, normally with a convenient brief description of what the QR code will do– like opening a specific web page. If you believe that the QR code is safe, tap on the alert bar to introduce the code activity.

How to scan a QR code on an Android phone

  1. Check to see if your Android phone supports QR code scanning. Not all Android phones come with this capability yet, so you may have to take some additional steps before scanning. Google Assistant can detect QR codes. Simply long press on the Home icon or say “OK, Google,” then tap the Google Lens icon at the bottom right. If you have a Samsung phone with Bixby abilities, Bixby can likewise automatically spot QR codes. Otherwise, you may need to include an app.
  2. Open your scanning app. Open up the app, whether it’s Bixby, QR Code Reader, Samsung Optical Reader, or whatever choice is set up on your Android phone. These apps should have a “scanning” function you can select immediately, or will open directly onto a scanning window via the camera.
  3. Position the QR code. Keep in mind, the code’s corners should be totally visible in the scanning window, and the camera needs to be basically straight above the code for it to work. Sit tight constant while it determines the code.
  4. Pick the correct choice. The app ought to then offer a pop-up alternative to take an action based on the QR code. It might ask you if you want to browse to a site, download something, or open an app you presently utilize. If you rely on the source, believe that the QR code is safe, and comprehend what it will do, select the most suitable option for you.

How to Start Scanning on Your Smartphone?

Huawei phone:

Launch the stock Camera app on your Huawei phone. Point the camera to the QR code you wish to scan and take a photo of the QR code. Then open the conserved image file from the Camera or Gallery app, tap More button at the bottom, you will bring up a contextual menu. Permit a 2nd for Huawei smart phone to automatically recognize your image. After that you will see the ‘Scan QR code in image‘ option at the bottom of this contextual menu (1).


Open the default Camera app. Direct the cam app towards a QR code. You will see a little popup simply above the shutter button with a preview of the QR code results. Tap on the popup, in our case it’s a Wiki link. When you do, you will be directed to the particular area of the QR code, be it a site or a deep link within an app (2).

This also works for Wi-Fi QR codes. When the SSID, password, and security type are embedded into the QR code (for circumstances, when somebody shares their Wi-Fi using Android 10’s new QR system), your phone will immediately log into the network as quickly as you tap the popup in your viewfinder!

Samsung Galaxy

By using Bixby Vision

The majority of Galaxy models starting with the Galaxy S8 and Galaxy Note 8 have actually Bixby Vision built in.

  1. Start the Camera app.
  2. Tap “Bixby Vision” at the top of the screen.
  3. If this is your first time launching Bixby Vision, you will need to give the app approval. Tap “Allow” on all the demands for consent that appear. You won’t ever require to do this again.
  4. Point the phone so the cam can see the QR code. After a moment, a pop-up should appear with the contents of the QR code.
  5. Tap the pop-up to check out the text or to go to the link embedded in the QR code.

By using Samsung Internet

If your Galaxy doesn’t have Bixby Vision, you can still check out QR codes– you simply need to use the Samsung Internet internet browser app instead.

The first time you scan a QR code you’ll need to make it possible for the feature in the app’s Settings menu. After that, you can skip this step and merely launch the QR reader.

  1. Start the Samsung Internet app.
  2. Tap the 3 vertical lines at the bottom right of the screen.
  3. Tap “Settings,” and then tap “Useful functions.”
  4. Switch on QR code reader by sliding the button to the right.
  5. Tap the Back button twice to go back to the web browser window.
  6. Tap the address bar at the top of the web browser. You must see a QR code button to the right of the microphone.
  7. Tap the QR code button and point the phone so the QR code appears in the square in the middle of the screen. After a minute, the web browser needs to instantly display the contents of the QR code.

Read also: How to Scan From Printer to Computer in Windows 10

How to Scan QR Code by Webcam from Laptop

By Using Built-In QR Code Scanner on Your Laptop

Step 1: Find out if the Laptop supports QR code scanning

Google Assistant typically discovers QR codes. All you require to do is say “OK, Google” or long press on the device’s Home Icon and after that click the Google Lens icon positioned at the bottom right. If your device does not come with this feature, your best choice is to download QR Scanner from PageLoot.

Step 2: Open the scanning app

Open the QR Code scanning app you have set up in your device. The apps should include a scanning function you can right away choose. Additionally, they may open onto a QR Code scanning window through the camera.

Step 3: Position the QR code

Ensure that all 4 corners of the code show up in your device’s scanning window. Usually, your camera ought to be above the code you are scanning. Make certain to hold your Laptop steady as it confirms the code.

Step 4: Select your option

The app reveals a pop-up option to permit you to do something about it in line with the QR code. Select the choice you find most suitable.

Regrettably, not all Laptops have this feature. As such, you may need to take some additional steps before you scan or use online service for your scanning.

Use WebQR

You can do this through the Web QR online service. Here are the features of this service:

This site offers a QR Code scanner directly in the internet browser, executed in JavaScript. Supported internet browsers are Chrome, Firefox, and Opera.

Unlike other products, this option supplies a much easier method to read QR Codes as no image uploading is essential. The JavaScript implementation is based on the ZXing multi-format 1D/2D barcode image processing library implemented in Java. The QR Codes are developed with the Google Chart Tools.

Link to service:

What Options to Scan a QR code are Available?

Here is an extensive list on how QR Codes can be scanned:

  • Generic QR Code Scanning App on your smartphone: This is the most popular way however requires you to download an extra app on your phone. Here is a list of the leading complimentary ones that I advise: Top 7 Free QR Code Scanners for iPhone and Android
  • In-built QR Code Scanning Feature in Phones and Popular Apps: Did you understand you could scan a QR Code utilizing Snapchat? And even WeChat? Or Google Chrome app? If you remain in India, you can even use Paytm. Or if you have Xiaomi phone, you can scan utilizing the stock camera app. That’s right. A great deal of popular apps and handsets are now including a QR Code scanning feature. No requirement to download a different app.
  • Online Decoder: If you have a QR Code on your computer system however you don’t have a camera smartphone, you can still scan the QR Code using an online QR Code decoder. Here is the one our advise: ZXing Decoder Online.
  • Webcam QR Code Decoder: Yes. You can even use your laptop webcam to decipher a QR Code. Try this one: Web QR (find link on the service above.)
  • Optical QR Code Scanners: These are options to utilizing a smartphone. These are either handheld or fixed optical scanners that can scan and decode QR Codes. Generally used for mass scanning such as ticketing or billing. However, even these devices need to be connected to a software application on a computer system.

Is It Possible Scan QR Codes by a SmartWatch?

The most recent attempt at using QR Codes in apps on phones or as a WiFi hand-off for Google Glass all appear to work all right, but with smartwatches on the increase it’s clear that these little information squares are perfect on the wrist.

There are already several apps that will draw QR Codes on Android Wear, Pebble, and other smartwatch platforms. We’ve seen Air Berlin’s Pebble app serve up boarding passes as QR Codes for users to simply hold out their wrists in order to board a flight, and now Delta does the same for Android Wear. While it’s cool that these apps make it simple by supplying a QR Code on the most practical device in your toolbox, you can easily push individual codes from other services to your smartwatch if you know how.


QR codes provide a basic, standardized technique to represent percentages of info as a computer-readable image that looks more like contemporary art than the ordinary text it changes. Considering that most of our smart phones have the capability to read these codes, it promises that uses will continue to increase for the near term. But this is not a problem, because you now know how to scan the QR code on your device.

References:,…,… Images:

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