A downloadable software that adapts the colour of your computer's display to the time of day. It removes the harsh blue light from your screen during the evening and night to help you wind down and sleep better. 

Using f.lux can help to reduce eye strain during night-time use and regulate your sleeping patterns. 

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flux screenshot



  • Free
  • Operates automatically in the background
  • Colours are adjustable
  • Quick and easy to download, no signing up required
  • Available on your browser or as an iOS app


  • Colours may take some getting used to