QR codes have become widely adopted for various purposes, such as storing and sharing information, distributing discount vouchers, and transferring files. They can even automatically save a link to download a program or promote a product or service.

In most cases, QR codes are employed to explore a website and gather more information about a particular subject.

A lot of businesses in various industries have integrated this technology using a dynamic QR code generator for different purposes other than marketing.

Users simply need to scan the code using a QR code reader, and they will be directed to a landing page displaying the embedded data.

However, a primary concern arises regarding how individuals can scan QR codes using their smartphones.

The good news is that there are several straightforward options available. This article will guide you on scanning QR codes on your Android device without the need to download any additional software.

QR codes: how do they work?

QR codes are advanced matrix barcodes that can be scanned and interpreted by smartphones, tablets, or dedicated QR code scanners.

These codes consist of black square modules arranged on a white background, often enclosed within a square border.

When a QR code is scanned, the camera of the scanning device captures the image of the code. Specialized apps analyze the pattern of the modules and extract the encoded information.

QR codes have the capacity to store various types of data, including text, URLs, contact details, product information, or even Wi-Fi network credentials. The encoded information is typically represented as a sequence of alphanumeric characters.

Once the information is extracted from the QR code, the scanning device can perform different actions based on the content.

For instance, if the QR code contains a URL, the device can open the corresponding website in a web browser. If the code holds contact information, the device can save it to the address book.

QR codes provide a convenient and efficient method of sharing information, enabling users to swiftly access content or carry out specific actions without the need for manual input.

Their versatility and user-friendly nature have led to widespread adoption in various domains, including marketing, advertising, inventory management, and ticketing systems.

Now, the question is: How do I scan a QR code?

How to check your Android device can scan a QR code

To determine if your Android device can scan QR codes, follow these steps:

  • Open your camera application on your smartphone.
  • Point the camera at the QR code for a duration of 2-3 seconds. If your device has the capability, a notification will appear displaying the content of the QR code.
  • Click on the notification to view the content.

If nothing happens or you don't see the option to scan QR codes, check your camera settings to verify if QR code scanning is available. In some cases, older versions of Android may not have the latest updates and features.

If your Android phone lacks a built-in QR code scanner, you will need to rely on a third-party QR scanner app to scan or decode QR codes easily.

When your Android device possesses a QR code reader, aiming the camera at the QR code will prompt a pop-up notification on the screen. By clicking on the notification, you can access the content embedded in the QR code.

Back then, people found it a bit difficult to scan QR codes. But with the technology advancements, some Android companies integrated a built-in QR scanner.

Guide to scanning QR codes in different Android versions

Android Versions 7 and Below

Scanning QR codes is not possible on Android phones running Android 7 and earlier versions. 

Therefore, you need to use third-party programs to scan QR codes on Android version 7. Once you have downloaded the necessary software, it will automatically scan all QR codes.

Android Version 8 and above

If you are using Android 8 or a newer version, you can scan QR codes without installing any additional apps using Google Screen Search.

Just point your camera at the QR code, press the "Home" button, and select "What's on my screen?" You can then access the information associated with the QR code by opening the provided URL.

To scan a QR code using Google Screen Search, follow these steps:

  • Aim your camera at the QR code and press the shutter button.
  • Long press the "Home" button and swipe up to reveal the options at the bottom.
  • Choose "What's on my screen?"
  • Click on the link that appears to view the content.

If your smartphone's screen search is not enabled, you can activate it by opening the "Google" application and tapping on "Navigation." In the settings, make sure to enable the "Screen Search" permission.

Google Lens is another tool that can scan and recognize QR codes. It is available on both Google Assistant and the camera app. Simply download Google Lens to start scanning QR codes. Alternatively, you can access Google Lens through Google Assistant.

How to scan QR codes on Samsung and Oppo devices

Samsung

Samsung Devices offer three simple methods to decode QR codes: Bixby Vision, Samsung Internet Browser, and the Samsung camera application.

To use Bixby Vision's QR code scanner, follow these instructions:

  • Open your Camera app and tap on Bixby Vision. If it's your first time using Bixby Vision, grant permission to the app by allowing all permission requests.
  • On the Bixby Vision permissions pop-up, tap "allow".
  • With all permissions enabled, your Samsung device can now scan QR codes.
  • To open the webpage, tap "Go".

For the Samsung Internet Browser's QR code scanner, follow these steps:

  • Open the Samsung Internet app.
  • Tap the three vertical lines at the bottom right corner of the screen.
  • Select "useful features" from the drop-down menu under Settings.
  • Activate the QR code scanner by sliding the button.
  • Return to the homepage and click on the URL link.
  • Select the QR code icon.
  • Allow any requested permissions that appear.
  • When you position your smartphone device over the QR code, it will recognize it.

To use the QR code scanner in the Samsung camera app:

  • Swipe down to access your Quick Settings and click on the QR scanner.
  • Tap "OK" to proceed.
  • Open the Camera app and scan the QR code.
  • After scanning, you should be able to access the webpage.
  • If you're unable to scan the QR code, enable the setting by tapping on the Camera Settings icon.
  • Toggle the Scan QR codes option.

Oppo

On Oppo phones, you can read QR codes by following these steps:

  • Open your Oppo's Camera app.
  • Focus the lens 20-30 centimeters on the QR code and center it on the screen.
  • When Google Lens is activated, it will prompt you to take various actions.
  • Click on the provided link, which will take you to a webpage, video, or other embedded content in the QR code.

To activate Google Lens on your Oppo camera if it isn't already active:

  • Go to the camera app on your Oppo.
  • Select the three parallel bars at the top to access Parameters.
  • Look for Viewfinder Settings and enable Google Lens.
  • Return to the Lens Suggestions page and make your selection.

Free QR scanner apps for Android on Google Play Store

QR TIGER app

Generate QR codes effortlessly and without ads with the QR TIGER QR Code Generator app. In addition to generating codes, it also provides the ability to scan them.

Before using this QR code generator, it's important to consider its key features. It not only generates valid QR codes but also offers multiple options for their usage.

Here are simple steps to follow when scanning a QR code using the QR TIGER app:

  • Launch the QR TIGER application.
  • Choose "Scan" from the menu.
  • Position your camera over the QR code. Instantly, you will be directed to a landing page that displays the information embedded within the QR code.

Kaspersky QR code scanner

The Kaspersky QR Scanner ensures that your smartphone remains safe while scanning QR codes. This program verifies the URLs before you browse, protecting your device from potential harm. To use it, simply open the app and point your camera at the QR code you wish to scan.

QR and barcode scanner

For Android users, the QR and Barcode Scanner is a valuable and free tool for reading QR codes.

QR TIGER app: best free QR code maker and scanner app for Android

In today's ever-changing world, using a QR code scanner app has become essential. QR codes have transformed how we interact with information and businesses, and the QR TIGER scanner app is a great choice.

With its user-friendly interface and powerful scanning capabilities, QR TIGER makes scanning QR codes effortless and convenient.

QR TIGER is a versatile app that allows you to scan QR codes from various sources, such as product packaging or marketing materials. It provides instant access to relevant information like product details and exclusive offers.

The app also offers advanced features, including personalized QR code generation and secure storage of scanned codes, making it a valuable tool for businesses and individuals alike.

QR TIGER prioritizes your privacy and ensures the security of your personal information while using the app.

Its lightning-fast scanning speed saves you time and enhances efficiency. Don't miss out on the benefits of QR code scanning.

Join the QR revolution and experience the convenience and endless possibilities with QR TIGER. Download the app today and embrace a smarter way of living.