Allows the user to modify the appearance of a web page using contrast, saturation and hue filters.

Latest Version

Version
1.0
Update
January 29, 2022
Size
18.86KiB
Developer
Category
Users
6
Rating
5 ★
Manifest Version
3
Web Store Status
Languages Support
English
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Permissions
Storage
ActiveTab
Scripting
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unDalton Extension

unDalton is an extension that aims to facilitate the viewing of all types of web pages for people with perceptual disorders and in particular color blindness.

Thanks to unDalton, it is possible to adjust the hue, contrast and saturation of colors present on a web page to adapt it to each level of perception. Each of these adjustments is modulable with a slider.

This extension was developed for a school project.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "name": "unDalton", "description": "Allows the user to modify the appearance of a web page using contrast, saturation and hue filters.", "version": "1.0", "manifest_version": 3, "background": { "service_worker": "./assets/js/background.js" }, "action": { "default_popup": "popup.html", "default_icon": { "16": "./assets/images/icons/icon16.png", "48": "./assets/images/icons/icon48.png", "128": "./assets/images/icons/icon128.png" } }, "icons": { "16": "./assets/images/icons/icon16.png", "48": "./assets/images/icons/icon48.png", "128": "./assets/images/icons/icon128.png" }, "permissions": [ "storage", "activeTab", "scripting" ]}
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How to download and manually install unDalton extension for Chrome

Looking for a way to install unDalton 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 unDalton extensions manually, this article outlines two simple methods to effortlessly install unDalton extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download unDalton extension and manually install through Drag &Drop

If you ever need to manually install a unDalton 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 unDalton Extension by clicking the "Download CRX" button on the website.

Look for the unDalton extension you wish to install. Go to the website and download the unDalton extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for unDalton 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 unDalton 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 unDalton extension for Chrome and install in Developer Mode

This is another method to install unDalton 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 unDalton extension file

Select and download the unDalton 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 unDalton 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 unDalton 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 unDalton 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 unDalton extension in 2 ways. We hope this guide proves helpful.

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User reviews

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Isam (ID: 000000c3fa4571dd) Voted 5 ★ - Updated 02/08/2022 Excellent plugin ! My boyfriend is color-blind and this plugin helped him ! Thank u so much for this work and I hope a lot of people will use it !