There are many customisation options such as blue light filter, contrast filter, brightness filter, color changing feature and more. For most people, the default settings are satisfactory enough so at the beginning don’t bother with them. Night Eye will automatically enable dark mode on every website you visit.
For more details on how it works and how to use it - https://nighteye.app/how-to-start/
If you have questions, check out our FAQ https://nighteye.app/help/
or simply message us using the built-in support chat. To do so, open the extension window and at the top right corner you will see the support chat.