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.
- Color Temperature Tool
- Free • Proprietary
- Mac
- Windows
- Linux

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.

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.



Free cross-platform software delivers automatic blue light reduction and PWM flicker-free brightness control with a minimalistic, portable design.

Whether you're a morning lark or night owl, SunsetScreen allows you to set the time of the sunset and sunrise, so you can have full control over your sleep cycle.

Adaptive screen brightness and temperature for Windows and Linux.

It makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day.

World's 1st instantaneous content-aware brightness control app that let your screen’s brightness and color temperature adapt instantly and automatically to provide the most optimal viewing experience for your eyes.

Redshift Tray is a no-frills GUI for the screen temperature adjustment tool Redshift.

Reduces blue light and adjusts screen brightness without flicker, offers auto color temperature, customizable modes, manual settings, overlays, and color effects for eye health and comfort.

CF.lumen - don't let your phone blind you! CF.lumen changes the colors of your Android device's display based on the position of the sun. With the default settings, your display will get a warmer tint (lower color temperature) when the sun is down, to look more like indoo.

To schedule Night Light so it turns on automatically, select Start > Settings > System > Display > Night light > Night light settings.

EasyEyes by Autosofted is an app that can do what f.lux does and more. F.lux only allows the user to adjust temperature, while EasyEyes allows both temperature AND brightness adjustment. EasyEyes allows the user to create multiple transition times.

CareUEyes is a very simple but useful program when it is about your eye care. The program comes with a very simple and clean interface and needs to technical knowledge. Even a novice computer user can download and use it easily.

Free software for eye protection and more! It protects your eyes while you are working on the computer. Eye Saver has three main functions: blue light filter; eliminates the invisible flickering of the display backlight; reminds you to take breaks;


Shifty was made to expand the capabilities of the built in Night Shift feature in macOS. You can disable Night Shift for specific apps and custom time periods. It also provides easy access to a slider to fine tune your color temperature.

Kumux is a dynamic circadian color scheme for code editors and other software. It adjust color temperature, color hues, contrast and brightness levels throughout the day based on the position of the sun.

Twilight Blue Light Filter is an optimal night filter that can be created to provide a warm light night screen for your eye care.



NightTone makes your screen more comfortable, enjoyable and healthier by shifting the colors of your display to a warmer, eye-friendly palette. It makes you sleep and feel better.

Inspired by Redshift, Blueshift adjusts the colour temperature of your monitor according to brightness outside to reduce eye strain and make it easier to fall asleep when going to bed.
This add-on allows to apply a filter in the web pages in order to attenuate the blue light.
Trouble Sleeping? Device screen too bright even on the lowest brightness setting? Want to give your phone a warm look instead of that eye straining blue gaze you see at night? EasyEyes is the solution. By changing your device's color temperature, EasyEyes reduces eye strain...


