I tried using an extension 'Dark Reader' that makes Chrome, Firefox, Safari easily 'dark mode'

"Dark mode", which can suppress eye fatigue, browsing eye fatigue in dark places, increase readability, and suppress battery consumption by changing the menu and background to dark colors based on black or gray, It is adopted by various services such as YouTube. By installing it in popular browsers of Google Chrome, Firefox, Safari, the extended function " Dark Reader " which can easily switch the browser to the dark mode is released.

Dark Reader
https://darkreader.org/

◆ Chrome extension function First try using Dark Reader with 'Google Chrome'. Visit the above page in Chrome and click the "Chrome" icon.

The Dark Reader page of the Chrome Web Store opens, so click on "Add to Chrome".

As popup appears, click on "Add Extension".

The Dark Reader help page is displayed and installation is completed if the Dark Reader icon is displayed on the tool bar. The dark mode was already on when the extension was installed.

When I display the top page of GIGAZINE it is like this. It is a soothing shade of black tones.

When an article is displayed, the black background is conspicuous, and the brightness is suppressed considerably compared with the normal mode.

Click the "Dark Reader icon" on the tool bar to display the setting screen and customize the dark mode.

Click on "Lite" to "Light mode". Unlike the standard mode with the dark mode OFF, the brightness was moderate as a whole, although it was a bright hue.

By clicking the left and right buttons, it is also possible to fine-tune "brightness" and "contrast".

"Sepia" adds sepia ingredients ... ...

You can add gray components with "grayscale".

In addition, it is possible to change to the dark mode only for the displayed site by clicking "Apply only on this site".

By clicking "OFF" in the upper right, you can easily switch from dark mode to standard mode.

By clicking the "Site list" tab and registering the site URL, you can add sites that always apply the extended function Dark Reader to "whitelist", or add sites that do not apply to the opposite, It is also possible.

Click "Set hotkeys for adding sites" under the list ... ...

The hot key registration screen of Chrome extension opens and the hotkey (shortcut key) is used for "Show / Hide setting screen", "Switch current site", "Switch filter", "ON / OFF of Dark Reader extension" ) Can be specified.

On the "Others" tab, change font and text stroke ......

I was able to change various "filters".

◆ Firefox add-on
The "Firefox" version is also available for Dark Reader. To use it with Firefox, open the official Dark Reader page in Firefox and click the "Firefox" icon.

As the add-on page of Dark Reader is displayed, click "Add to Firefox".

A popup will be displayed, so click "Add" OK.

The Firefox version of Dark Reader is also exactly the same as the Chrome version. It is easy to switch between dark mode and standard mode with ON / OFF of add-on, and detailed setting change was also possible.

◆ Safari Extension
Dark Reader also supports Safari. Therefore, when accessing the official page of Dark Reader in Safari, an error appeared and the page could not be displayed.

However, you can install it by accessing the following Safari extension of Dark Reader. The Safari version Dark Reader was $ 4.99 (about 560 yen).

Dark Reader for Safari on the Mac App Store
https://itunes.apple.com/us/app/dark-reader-for-safari/id1438243180

Even if it says "dark mode" simply because the user's preferences such as brightness and color tone are disjointed, the user can adjust the taste of the dark mode finely, but the abundance of parameters Dark Reader want to use the dark mode function in the browser It was a fairly useful extension to users.