Control your browser's global screen brightness to use sites that do not support the native dark theme

Latest Version

Version
0.3.4
Update
October 27, 2024
Size
122KiB
Developer
Category
Users
100,000+
Rating
4.02424 ★
Manifest Version
3
Web Store Status
Languages Support
Deutsch
English
Français
Nederlands
Dansk
Eesti
Magyar
Suomi
čeština
Ελληνικά
български
中文 (简体)
See more
Permissions
ActiveTab
Scripting
Storage
Alarms
Idle
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Adjust Page Brightness Extension

This extension reduces or increases the screen brightness level for both daytime and nighttime periods based on user-defined values. It helps the websites that do not support the native dark theme. Also, it can increase the brightness of websites that are too dark. It reduces the eyestrain while reading documents online when dark mode is not supported. The extension offers two different values for daytime and nighttime duration to enhance usability.

Features:
1. Control the darkness level of all websites or just a single hostname
2. You can increase or decrease the brightness level of a website
3. Supports keyboard shortcuts for every action.
4. You can disable the extension on a single website or entirely
5. Control the brightness level from 0% (completely dark) to 120% (20% brighter than the original)
6. Supports two different methods to decrease the brightness level.

Notes:
1. By setting the brightness level to 100%, the extension does not affect browser tabs (does not inject any CSS styling)
2. It is recommended to configure the start time for both daytime and nighttime. By default, daytime starts at 08:00, and nighttime starts at 19:00.
3. By adding a website to the exception list, brightness control is turned off for this website. You can use this feature to turn off the extension on websites that support native dark mode.
4. This extension does not reduce the screen brightness when printing a webpage. There is a CSS selector that only affects \"screen\" type displays.

What is the difference between this extension and other dark mode extensions (e.g. \"Dark Reader™\" or \"Turn Off the Lights™\" (I do not own these two extensions))?
These extensions manipulate the styling of all elements by using custom stylesheets. They convert the light theme to dark. This extension only injects a filter to reduce or increase the original brighness. So it does not perform any resource-intensive operations and does not alter the website's styling.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 3, "version": "0.3.4", "name": "Adjust Page Brightness", "description": "__MSG_description__", "default_locale": "en", "icons": { "16": "/data/icons/16.png", "32": "/data/icons/32.png", "48": "/data/icons/48.png", "64": "/data/icons/64.png", "128": "/data/icons/128.png", "256": "/data/icons/256.png", "512": "/data/icons/512.png" }, "permissions": [ "activeTab", "scripting", "storage", "alarms", "idle" ], "homepage_url": "https://webextension.org/listing/screen-brightness.html", "background": { "service_worker": "worker.js" }, "content_scripts": [{ "matches": [""], "js": [ "/data/inject.js" ], "run_at": "document_start" }], "action": { "default_popup": "/data/popup/index.html" }, "commands": { "_execute_action": {}, "increase": { "description": "Increment brightness level by 0.05" }, "decrease": { "description": "Decrement brightness level by 0.05" }, "enabled": { "description": "Toggle the global enable and disable state" } }, "options_ui": { "page": "/data/options/index.html", "open_in_tab": true }}
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How to download and manually install Adjust Page Brightness extension for Chrome

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

Method 1: Download Adjust Page Brightness extension and manually install through Drag &Drop

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

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

This is another method to install Adjust Page Brightness 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 Adjust Page Brightness extension file

Select and download the Adjust Page Brightness 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 Adjust Page Brightness 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 Adjust Page Brightness 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 Adjust Page Brightness 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 Adjust Page Brightness extension in 2 ways. We hope this guide proves helpful.

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User reviews

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jsosmd (ID: 00000051c4052847) Voted 3 ★ - Updated 10/27/2023 Windows 10, Vivaldi3.6 Beautiful GUI but the button I needed for selecting only the site that I wanted to darken, "Enable Here" was greyed out and did not work. I could set it up to darken every website, but that's not what I wanted.

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Laura Lima (ID: 000000d3acf1eda8) Voted 5 ★ - Updated 10/20/2023 It's beautiful

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Rodrigo Sakaguchi (ID: 00000018c95a2570) Voted 5 ★ - Updated 09/10/2023 Ótima extensão! ajuda muito em controlar o brilho de acordo com o site especifico..

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Victor Hugo (ID: 000000edab945bfd) Voted 2 ★ - Updated 07/28/2023 Quando fui desinstalar ele ficou travado nesse brilho laranja.

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liam knepper (ID: 00000067c3026013) Voted 4 ★ - Updated 05/31/2023 it seemed to get rid of some saturation in the colors but it works good other wise