LightBulb for Windows

LightBulb is an open-source tool developed by Tyrrrz, designed to help reduce eyestrain from long computer sessions especially when using a computer at night, similar to f.lux. It dynamically adjusts the display's gamma settings, gradually shifting the screen's color temperature from a cool blue hue during the day to a warmer yellow tone as the evening progresses.

LightBulb automatically adjusts display colors to match the surrounding environment, simulating the natural transition from daylight to indoor lighting. The program functions without affecting performance and lets users modify display color temperatures based on their personal work needs.

Customized comfort

LightBulb features smooth color temperature transitions according to your preferences. The program determines sunset and sunrise schedules based on location before it warms the screen during the evening and cools it during the morning hours. You can adjust the color temperature, brightness, and transition speeds through interface settings. Letting you set specific color temperatures for different times of day and create custom schedules.

This program is lightweight and runs quietly in the background without impacting system performance. It has a simple interface with options to customize color temperature settings, a whitelist feature to disable adjustments for specific applications, and temporarily pause changes when needed. As an open-source project, it also allows developers to contribute, modify, or integrate its functionality into other software.The program is free, with no ads or pop-ups. It also includes a hotkey to open it in the system tray, for quick modifications to color temperature and brightness without navigating through menus. The software functions entirely offline, providing uninterrupted performance without requiring an internet connection. While the customization is extensive, some users might find the initial setup slightly complex.

Healthy screen time

LightBulb provides a user-friendly solution to reducing blue light exposure through automatic and customizable screen adjustments. Its lightweight design ensures minimal system impact, while its open-source nature allows flexibility for modifications. Although it lacks some advanced automation features, its ad-free experience and offline functionality make it a practical option for users looking to minimize eye strain during extended screen use.

• Add hotkey to open LightBulb from tray
• Fix hotkeys not registering properly on startup