Launch Opera GX and click the Settings icon in the sidebar.

⇒ Get Night Mode Pro How do I enable Dark mode in Opera GX?

Whitelist feature for websites from night mode.

Its Dark mode also adjusts the background on the entire page and changes all the text colors to a matching dark color. This makes it less stressful for the eyes. With the Night Mode Pro extension, you can adjust your screen brightness in light and Dark mode. It does not just allow you to switch to Dark mode on any website and gives you control over your screen’s luminosity. This is another top-notch Opera GX Dark mode extension. ⇒ Get Gentle Dark Mode Night Mode Pro – Highest functionality

Lastly, you can effectively turn any light page dark with the Gentle Dark Mode. This gives you total control over the intensity. Whether dark or light theme, this extension allows you to soften the color from the sharp default you are used to. This extension aims at reducing the effects of the contents of websites on your eyes. Gentle Night Mode is in a world of its own in what it does. Home › Browsers › Opera › 5 Ways to Enable Dark Mode in Opera GX For All Websites

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