f.lux

Windows

Adjust screen color temperature for better sleep and eye comfort

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Overview

f.lux automatically adjusts your Windows screen’s color temperature based on time of day—warmer hues at night reduce blue light exposure to improve sleep quality, while cooler tones during the day keep you alert. It integrates seamlessly with Windows system tray for quick access, supports multi-monitor setups, and lets you customize schedules or disable temporarily for tasks like photo editing. With minimal resource usage, it works with most display types and aligns with Windows power settings to ensure optimal performance without interruptions.

Key Features

  • Automatic color temperature adjustment
  • Multi-monitor support
  • Custom schedule and temporary disable options
  • System tray integration for quick controls

Frequently Asked Questions

? Is f.lux compatible with Windows 11?

Yes, f.lux fully supports Windows 11, including multi-monitor setups and display settings integration.

? Is it safe to install?

Yes, f.lux is a trusted open-source tool with no adware or malware, widely used by users globally.

? Is there a portable version?

No, f.lux requires installation to integrate with Windows system services and display drivers, so a portable version is not available.

Top Alternatives

Windows Night Light Search Google

Tool Info

Pricing Free
Category Productivity
Platform Windows

Pros

  • Free and open-source
  • Minimal system resource consumption
  • Easy to set up and use
  • Supports Windows 10/11

Cons

  • May conflict with some full-screen applications
  • Limited advanced color calibration features
  • Requires installation (no portable version)

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