LightBulb

Download LightBulb free for PC and phone

This lightweight application helps reduce eye strain during long computer sessions. It automatically adjusts your monitor's color temperature, transitioning from cooler tones in the morning to warmer shades in the evening. Key features include customizable day and night temperature settings, brightness control, and adjustable transition duration. A standout feature is the ability to create an application whitelist, preventing color shifts in programs where accurate color is critical, such as video players or games. The utility also supports hotkeys for instant toggling. LightBulb is portable, requires no installation, and starts working immediately upon launch, offering flexible customization to suit your personal comfort.

11 Jun 2026

Title	LightBulb
Size	16.4 MB
Price	free of charge
Category	Utilities
Developer	Tyrrrz
System	Windows

16.4 MB

190 reviews

1714

downloads

PEGI Rating

LightBulb installation

Click on the Download button to start downloading LightBulb for Windows from Maombi.com

Open the .exe installation file in the Downloads folder and double click it

Follow the instructions in the pop-up window to install LightBulb on Windows Desktop

Now you can open and run LightBulb on your PC

LightBulb Features

LightBulb is a smart eye-care tool that automatically adjusts your screen's color temperature throughout the day. It smoothly transitions from cool morning hues to warm evening tones, reducing eye strain. You can flexibly configure transition parameters, brightness, and create exceptions for specific applications. Simple setup and a minimalist interface make LightBulb an essential helper for anyone who spends long hours in front of a computer.

Adaptive Color Temperature

Automatically adjusts your screen's temperature from cool morning hues to warm evening shades for optimal eye comfort.

Flexible Parameter Settings

Customize temperature, brightness, and transition duration between day and night modes to match your personal preferences.

Application Whitelist

Create a list of exceptions for apps like video players or games where color temperature changes are not desired.

Quick Launch & Control

Runs without installation, supports hotkeys for instant on/off toggling, and operates quietly in the system tray.

Eye Health Care

Reduces fatigue and eye strain during prolonged screen time, especially in the evening, by filtering harsh blue light.

Simple Integration

Works on any PC, requires no complex setup, and is compatible with most Windows operating systems.

LightBulb overview

01

Tailor the lighting schedule to your lifestyle. Decide whether sunrise and sunset times are set manually or based on your location. Use simple sliders to fine-tune the timing, creating an ideal atmosphere for any part of the day. Remember to save your changes so your preferred settings are always ready when you are
02

Make the app truly yours with straightforward options. Pick a theme that suits your mood and enable automatic updates to access the latest features. You can set it to launch with Windows and pause during full-screen applications. Adjust brightness and gamma smoothing to create a comfortable environment for both work and relaxation
03

Control your home's lighting with an intuitive interface. Adjust color temperature and brightness throughout the day to maintain a comfortable ambiance. Plan lighting transitions from dawn till dusk, ensuring optimal illumination at all times. Turn on the preview to see exactly how your space will look with the new settings applied
04

Fine-tune the lighting to your taste using simple sliders. Adjust the color temperature and brightness separately for daytime and evening hours. Easily adapt the light to create a cozy atmosphere any time of day. Save your preferences with a single click and enjoy perfectly tailored light in your space
05

Set the perfect mood for your home by adjusting the lighting. Choose your preferred color temperature and brightness, and schedule the light to change automatically from sunset to sunrise. The circular interface makes it easy to browse settings and adapt the ambiance to your day. Make every evening feel special with light that matches your rhythm
06

Take control of your workspace with easy-to-use settings. Create a whitelist to specify which apps can access certain features, helping you stay organized and avoid distractions. Add or remove programs from the list with ease, keeping everything under your supervision. Enjoy greater convenience and efficiency in your daily work
07

Manage your lighting effortlessly with a clean, user-friendly interface. Adjust brightness and color temperature to your liking, crafting the perfect atmosphere for any room. Switch between modes and save your favorite settings so you don't have to reconfigure them each time. Make a few tweaks and enjoy enhanced comfort without any hassle