LightBulb
WindowsSmart screen temperature adjuster for Windows eye health
Overview
LightBulb automatically adjusts your display’s color temperature to align with the time of day—warmer hues at night reduce blue light exposure and eye strain, while cooler tones during the day enhance focus. It integrates seamlessly with Windows 10/11, supporting multi-monitor setups with individual settings. Features include custom schedules, app-specific exceptions, a tray icon for quick toggles, and low resource usage. Users can tweak temperature ranges, set sunrise/sunset times manually, or let it auto-detect location for precise adjustments, making it an essential tool for maintaining eye comfort during long screen sessions.
Key Features
- Automatic time-based screen temperature adjustment
- Multi-monitor support with per-display settings
- Custom schedules and app exception rules
- Windows tray integration for one-click control
Frequently Asked Questions
? Is LightBulb compatible with Windows 11?
Yes, LightBulb is fully compatible with Windows 11, as well as Windows 10. It works seamlessly with the OS’s display stack and runs without conflicts on both versions.
? Is it safe to install?
Absolutely. LightBulb is open-source software with its source code publicly available on GitHub. It does not contain malware, ads, or unnecessary permissions—only accessing display settings to adjust color temperature.
? Is there a portable version?
Yes, LightBulb offers a portable build that requires no installation. You can download it from the official GitHub repository and run it directly from any folder or USB drive.
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Tool Info
Pros
- ⊕ Free and open-source with no ads
- ⊕ Lightweight (minimal CPU/RAM usage)
- ⊕ Portable version available
- ⊕ Supports high-DPI displays (most cases)
Cons
- ⊖ Limited advanced color calibration options
- ⊖ Occasional compatibility issues with some graphics drivers
- ⊖ No built-in presets for specific use cases (e.g., gaming)