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f.lux 37.3 – Adjusts the color of your display based on the time of day.

Appked/ Featured/on 2016-07-07 05:34

f.lux 37.3

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

Ever notice how people texting at night have that eerie blue glow? Or wake up ready to write down the Next Great Idea, and get blinded by your computer screen? During the day, computer screens look good – they’re designed to look like the sun. But, at 9 p.m., 10 p.m., or 3 a.m., you probably shouldn’t be looking at the sun. It’s even possible that you’re staying up too late because of your computer. You could use f.lux because it makes you sleep better, or you could just use it just because it makes your computer look better.

Tell f.lux what kind of lighting you have, and where you live. Then forget about it. f.lux will do the rest, automatically.


Version 37.3:
Note: Now requires OS X 10.7 or later

  • Fix for a battery drain issue on some machines
  • Fix for flashing with "movie mode" on some machines
  • Updated Sparkle (automatic updater)
  • Now 10.7 minimum (and 64-bit only) due to the Sparkle update
  • Support for "big" latitudes where the sun doesn't set or rise some days
  • A "check for updates" button, by popular demand
  • Some fixes for darkroom mode


OS X 10.6 or later, 64-bit processor