What is the "Adjust Screen Brightness" extension?
This extension is meant to reduce the browser's screen brightness level for both daytime and nighttime. The level of brightness is controlled from the toolbar's popup window. It is recommended to use a smaller value for nighttime compared to the daytime. The start time for both daytime and nighttime is also configurable in the popup window. As of version 0.1.3, it is possible to set custom keyboard shortcuts to increase or decrease the brightness level. To adjust the keyboard shortcuts go the extensions manager -> keyboard shortcuts (in Chrome, the direct address is
A browser extension to get notified (desktop notification and sound alarm) of unread emails on one or more search queries. This extension supports multiple accounts and does not require credentials to operate. Read more here.
What is the "Night Shift (Lux control)" extension?
This extension is meant to control red, green and blue color levels for all web pages. The extension has two modes of operation: DIV (overlay method) and SVG (filter method) modes. In the DIV mode, an HTML DIV element is inserted on top of the entire content with a user-defined color and opacity levels. This div acts like a colorful glass and reduces the color levels and page' brightness. Note that the DIV method cannot completely remove a color level, it just reduces the color levels. In the SVG mode, an SVG filter is inserted to the page which controls the color levels based on user-defined settings. By using this method, a particular color can be completely removed from a page. For instance, if the blue color level is set to zero for nighttime, a blue box will be seen as a black box as the blue channel is killed. The SVG method is the preferred method if your browser supports it. Note that even if your browser supports this method, still it might be buggy. If applying the SVG method causes rendering issues in a page, change the mode to the default DIV method and refresh the page.
What's new in this version?
Please check the Logs section.
How does the "Adjust Screen Brightness" extension reduce the browser's brightness level?
Basically, the extension adds a ":before" CSS box over the entire page with the user-defined brightness level. This way the total brightness of all elements in the page reduces to the level that the user prefers. To get the original brightness level use the 100% level. This will convert the overlay box to a transparent one which does not affect the brightness level at all.
Is it possible to use keyboard shortcuts to increase or decrease brightness levels?
This extension supports browser commands for both increasing and decreasing the brightness level by +/-0.05 in value. To configure your custom keyboard shortcuts on Chrome browser, open "chrome://extensions/shortcuts" on a browser tab and assign new shortcuts for these two commands. On Firefox, open "about:addons" on a browser tab, then press the top-right gear button and select "Manage Extension Shortcuts".
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|tabs||to inject the brightness and color temperature scripts into all webpages|
|webNavigation||to install an observer for document creation|
|storage||to save user-defined preferences|
|alarms||to adjust brightness and color temperature when user-defined daytime and nighttime start|
|idle||to check if the current levels are correctly set when computer gets activated|
|<all_urls>||to inject on HTTP, HTTPS and File scheme urls|