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3 vote - 3.3 /5
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4.118 (latest version)
Windows XP Windows Vista Windows 7 Windows 8 Windows 10 Mac OS X Mac OS 9 - English

I've used this for several years now and have no complaints. The colour change can take a little bit of time to get used to at first in the evenings, but I definitely noticed an improvement in my sleep.

Registration date
Monday November 25, 2019
Last seen
October 7, 2021

F.lux adjusts your device's display color temperature according to location and time of day. The program is designed to reduce eye strain during night-time use, and to help reduce sleep deprivation because of excessive exposure to blue light before bed.

Key Features

  • Reduces eye-strain;
  • Makes the color of your computer's display adapt to the time of day, warm at night and cold at the daytime;
  • Makes you sleep better;
  • Manually adjusts your screen brightness throughout the day, depending on the amount of light in your surroundings;
  • Easy to use;

Other Systems

F.lux is also available for Mac computers.

Is It Free?

You can download and use this product for free.

Alternative spelling: flux-setup-4.118.exe, flux-setup.exe
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