Welcome to the Barcode Reader via Upload web application, where you can easily upload barcode images and extract their values instantly. This simple yet powerful tool allows users to upload images containing barcodes and automatically decodes the barcode value, providing a seamless experience. Built using HTML, CSS, and JavaScript, the app is designed with user-friendliness in mind and supports multiple barcode formats such as Code 128, EAN, and UPC. The responsive design ensures that the app works smoothly across various devices, making it accessible to all users.

With its clean and intuitive interface, the Barcode Reader via Upload app provides a preview of the uploaded image and displays the barcode value in real-time. Leveraging the QuaggaJS library, this app offers reliable and accurate barcode scanning capabilities without needing any external hardware. Whether you're managing inventory or simply curious about decoding barcodes, this application makes the process quick and effortless.

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Features:

1. Barcode Image Upload: Users can easily upload an image of a barcode using the app's interface.
2. Barcode Preview: The app provides a real-time preview of the uploaded barcode image.
3. Automatic Barcode Decoding: The app automatically scans and decodes the barcode from the uploaded image and displays the result.
4. Support for Multiple Barcode Formats: The app supports various barcode formats, including:
   • Code 128
   • EAN-13
   • EAN-8
   • UPC
5. Responsive Design: The layout is responsive, ensuring optimal user experience on different devices.

Technologies Used:

1. HTML5: Provides the structure and layout of the web application.
2. CSS3: Used for styling the interface and ensuring responsiveness with a modern design.
3. JavaScript: Handles the functionality, such as file input, barcode decoding, and interaction with the QuaggaJS library.
4. QuaggaJS: A lightweight barcode-scanning library used to decode the barcode from the uploaded image.
5. FileReader API: Allows reading the uploaded image as a Data URL and displaying it as a preview.

How to Use:

1. Open the App: Launch the application in any modern web browser.
2. Upload a Barcode Image: Click the "Click to Upload Barcode" button, which opens your file explorer. Select a barcode image in any standard format (JPEG, PNG, etc.).
3. View the Image Preview: Once the image is uploaded, it will display in the preview area of the app.
4. Decode and Display Barcode Value: After uploading, the app automatically scans and decodes the barcode. The decoded barcode value will appear just below the preview.
5. Retry if Needed: If the app is unable to detect a valid barcode, an alert will prompt you to try another image.

Sample Screenshots of the Project:

Landing Page

Reading Barcode

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 Barcode Reader via Upload web application offers a convenient and efficient way to decode barcodes directly from image uploads. With its user-friendly design, responsive layout, and support for multiple barcode formats, it provides a practical solution for various use cases, from inventory management to personal barcode exploration. By leveraging the QuaggaJS library and modern web technologies, this app ensures quick, accurate barcode reading, making it a valuable tool for anyone needing barcode scanning functionality without the need for specialized equipment.

That's it! I hope this "Barcode Reader via Upload Using HTML, CSS and JavaScript" will assist you on your  programming journey, providing value to your current and upcoming project.

For additional tutorials and free source codes, explore our website.

Enjoy Coding :>>