Software that makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux




The best free alternative to Night Shift: Blue Light Filter is f.lux. If that doesn't suit you, our users have ranked more than 25 alternatives to Night Shift: Blue Light Filter and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Night Shift: Blue Light Filter are Redshift, LightBulb, Red Moon and RedshiftGUI.
Software that makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.




Redshift adjusts the color temperature according to the position of the sun. A different color temperature is set during night and daytime.

Background application that adjusts screen gamma, making the colors appear warmer at night, reducing strain on your eyes.


The app is free on F-Droid and on GitHub but you can buy it on the Google Play Store to support the developer.




RedshiftGUI changes the color temperature of your monitor to better match that of your surrounding. This means that it sets a cooler color temperature during the daytime (due to natural lighting) and sets a warmer temperature at night (due to indoor lighting). Similar to f.





Screen dimming software that allows you to control the brightness of your screens as well as external monitors.

The app filters the blue spectrum on your phone or tablet after sunset and protects your eyes with a red filter. The filter intensity is smoothly adjusted to the sun cycle based on your local sunset and sunrise times.



Enjoy free cross-platform blue light reduction and PWM flicker-free brightness control with Iris mini. Minimalistic design, portable, and automatic for no-hassle, eyestrain-relief across all devices. Simply double-click to activate, perfect for every lighting condition.




Adjust the color temperature of your screen according to your surroundings. This may help your eyes hurt less if you are working in front of the screen at night.