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Free Download F.lux 4.119 Download

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 9PM, 10PM, or 3AM, 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.

f.lux makes your computer screen look like the room you’re in, all the time. When the sun sets, it makes your computer look like your indoor lights. In the morning, it makes things look like sunlight again.

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

What’s New:

  • Windows final updated to 4.119
  • macOS version updated to 39.9873
  • Bedtime mode: this extra-warm mode gets you ready for sleep and also helps you customize f.lux’s timing to work better with your actual schedule
  • Circadian response is shown when you change settings, to show how light affects your circadian system
  • Backwards alarm clock reminds you how long it is until you wake up, hopefully to get you to bed a little earlier
  • Presets to help pick your settings, or reset things when you get stuck
  • Color filters for eyestrain and other uses
  • A wider range of color settings (including very cool colors)
  • You can tell f.lux to disable when particular apps are running, or when watching fullscreen movies and games
  • There are new hotkeys to adjust color a little bit at a time (Alt+Shift+PgUp and Alt+Shift+PgDn)

What’s fixed:

  • Reduced impact on game framerates
  • Resolution independent interface, for high DPI
  • DisplayLink (when your monitor is connected via USB) works in a lot more cases now

Smart Lighting:

  • Hue integration now supports more light types
  • LAN API with support for telling other devices when f.lux changes

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