
However, you can give it a try on your phone. On my OnePlus 6T, the sepia mode didn't seem to work as expected. Apart from these settings, you can change the fonts and font size as per your liking. This is a one-time setup, and unless you uninstall the app or reset your device, the setting should hold for that particular website.

Now, all you have to do is tap on the Aa button at the bottom-right corner, select Dark and Ta-Da! This will immediately transfer your page's looks and layout. All you have to do is open a website of your choice and tap on the Reader View icon at the address bar.

It removes the color, style, and layout from the web pages for better readability. Reading Mode is similar to Chrome's Simplified view. To enable dark mode on Firefox, we will take help of the Reading Mode. Many times, add-ons just stop working either due to updates or in some cases, they throw a 404 error.

You don't have to depend on any third-party add-ons. This is one of the easiest and the simplest method.
