QR Code Scanner Using HTML, CSS, and JavaScript with Source Code
Welcome to the QR Code Scanner! This simple yet powerful web application allows you to effortlessly scan and decode QR codes by simply uploading an image. With a clean and responsive design, the app ensures a smooth user experience across all devices. Whether you're scanning a code for business, personal use, or curiosity, this tool makes the process quick and efficient.
Built using core web technologies like HTML5, CSS3, and JavaScript, and integrated with the reliable QR Server API, this app provides instant results. Key features include image preview, automatic scanning, and a convenient copy-to-clipboard option. Simply upload a QR code image, view the decoded data, and copy it with a single click. It's that easy!
You may also check this simple HTML, CSS and JavaScript project:
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Key Features:
- QR Code Upload: Easily upload any QR code image from your device.
- Instant Scanning: The app automatically scans the QR code and displays the decoded information.
- Preview Feature: View the uploaded QR code image for confirmation.
- Copy Text: Quickly copy the scanned text to your clipboard with one click.
- Close/Reset: Option to close the result and reset the interface for a new scan.
- Responsive Design: Optimized for various screen sizes, including mobile devices.
Technologies Used:
- HTML5: For structuring the content of the application.
- CSS3: For designing a modern, responsive, and visually appealing interface.
- JavaScript (ES6): For handling the scanning logic, API integration, and interactive elements.
- Font Awesome: For adding intuitive icons to enhance user interaction.
- QR Server API: A free and reliable API used to process and read QR code images.
How to Use the QR Code Scanner:
- Open the Application: Launch the web app in any modern browser.
- Upload a QR Code: Click on the upload area or the icon to select a QR code image from your device.
- Scan and View: The app will automatically process the image and display the decoded information in the text area.
- Copy the Result: Click the "Copy Text" button to copy the scanned information to your clipboard.
- Reset/Close: Use the "Close" button to reset the application and scan a new QR code.
Sample Screenshots of the Project
Landing Page

Sample QR Code Scanning

How to Run?
- Download the provided source code zip file.
- Extract the downloaded zip file.
- Open the html file and you are now ready to go!
Video Demonstration for Installation/Setup:
Conclusion:
In conclusion, the QR Code Scanner Using HTML, CSS, and JavaScript is a user-friendly and efficient tool for quickly decoding QR codes. Its intuitive design, seamless functionality, and integration with the QR Server API make it a reliable choice for scanning QR codes with ease. Whether for personal or professional use, this app simplifies the process—just upload, scan, and copy the result in seconds.
That's it! I hope this "QR Code Scanner Using HTML, CSS and JavaScript" will assist you on your programming journey, providing value to your current and upcoming projects.
For additional tutorials and free source codes, explore our website.
Enjoy Coding :>>
Note: Due to the size or complexity of this submission, the author has submitted it as a .zip file to shorten your download time. After downloading it, you will need a program like Winzip to decompress it.
Virus note: All files are scanned once-a-day by SourceCodester.com for viruses, but new viruses come out every day, so no prevention program can catch 100% of them.
FOR YOUR OWN SAFETY, PLEASE:
1. Re-scan downloaded files using your personal virus checker before using it.
2. NEVER, EVER run compiled files (.exe's, .ocx's, .dll's etc.)--only run source code.
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