Software to warm up your computer display at night, to match your indoor lighting.

Welcome to f.lux To install, run flux-setup.exe when your download is complete. What to do first Set your location. f.lux works a lot better if it knows when the sun rises and sets. The sun is …

Thank you! How do you guys say "f.lux"? We say "flux." f.lux on macOS I have a newer 2013+ Intel GPU on the Mac, and fullscreen video has blue artifacts. What should I do? This is a …

Click the zip file to expand it Double click the "Flux" application in your Finder window. Enter your location and wake time Uninstalling Go to the f.lux Settings panel (to the left of your system …

Old new stuff (2013) f.lux can go warmer than 3400K now, down to 2700K. Or even 1200K if you really want it to. Support for color profiles from a hardware calibrator Movie mode. This setting …

Is your computer keeping you up late? f.lux is a free download that warms up your computer display at night, to match your indoor lighting.

F.lux for Linux We're happy to announce a proper Linux f.lux GUI, along with a ton of bugfixes to the command-line app. PPA install instructions are on the github page. Here's how it looks! …

beta version 4.140 (Oct 2025) Workarounds for Qualcomm Snapdragon (Adreno GPU) support for external monitors Fixes for numerous “app quit while dialog box is up” crashes Progress on …

Light, Sleep, and f.lux support

It’s been a few years since f.lux for Windows got an update, but this new version is finally out of beta. We have a ton of new features and bugfixes to tell you about, and we hope you enjoy …