A multiple QR- and bar-code scanner that supports scanning from webcam and local images
QR Code Reader Extension
Privacy:
This extension does not rely on any external services to perform detection. There is no server-side interaction whatsoever.
Features:
1. Read multiple QR-codes on a single image
2. Supports multiple protocols
3. Saves the history of scanned items
4. Drop local image files to the user interface
5. Uses both native method and ZBar library to maximize the detection power.
This extension uses ZBar c-library, to extract multiple QR-codes and barcodes in a single image frame.
What is a QR code?
It is a type of matrix barcode that is a machine-readable optical label.
A QR code contains information about the item to which it is attached. A QR code uses four standardized encoding modes (numeric, alphanumeric, byte/binary, and kanji) to store data efficiently.
What is a barcode?
It is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths and spacings of parallel lines.
Source Manifest.json
How to download and manually install QR Code Reader extension for Chrome
Looking for a way to install QR Code Reader extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.
However, you may need to install QR Code Reader extensions manually, this article outlines two simple methods to effortlessly install QR Code Reader extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.
Method 1: Download QR Code Reader extension and manually install through Drag &Drop
If you ever need to manually install a QR Code Reader extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.
Step 1: Download the QR Code Reader Extension by clicking the "Download CRX" button on the website.
Look for the QR Code Reader extension you wish to install. Go to the website and download the QR Code Reader extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for QR Code Reader extension that contains all the data.
Step 2: Extract &Arrange Files
Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.
Step 3: Go to the Chrome Extensions Page
Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.
Step 4: Drag and Drop the Extension
Now, go to the folder where you extracted the QR Code Reader extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.
Step 5: Complete the Installation
Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.
Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.
Method 2: Download QR Code Reader extension for Chrome and install in Developer Mode
This is another method to install QR Code Reader extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.
Step 1: Download the QR Code Reader extension file
Select and download the QR Code Reader extension by clicking the 'Download CRX' button on the website.
Step 2: Extract the downloaded contents
Convert the file to a ZIP file if it is in CRX format then extract the QR Code Reader extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your QR Code Reader extension running.
Step 3: Open Chrome Extension Setting Page
In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.
Step 4: Enable Developer Mode
After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.
Step 5: Load the Unpacked Extension
Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."
Step 6: Select the Extension Folder
Once the pop-up opens upon clicking Load unpacked, select the QR Code Reader extension directory and click on the "Select Folder "button.
Step 7: Confirm and Install
After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.
Conclusion
Here we've made a step-by-step guide on How to manually install QR Code Reader extension in 2 ways. We hope this guide proves helpful.
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User reviews
胧寒 (ID: 0000008cd77c6e41) Voted 5 ★ - Updated 07/06/2023
kotik morskoi (ID: 00000014a0b51951) Voted 4 ★ - Updated 03/20/2023
ziyad ferhane (ID: 0000007ff096dcad) Voted 5 ★ - Updated 02/27/2023
Travis Smith (ID: 00000068910acac0) Voted 5 ★ - Updated 02/06/2023
Quang Thiệu Bùi (ID: 000000020caec698) Voted 5 ★ - Updated 01/14/2023