Dim, adjust, and customize your screen brightness with ease using CtrlBright. A lightweight virtual overlay that puts perfect brightness at your fingertips — always.
Available on
One lightweight app to replace your hardware brightness buttons. Simple, powerful, and always invisible when you need it to be.
Dim your screen to the perfect level with a precise opacity slider. Choose any overlay color — from classic black to warm amber for night use.
Set CtrlBright to launch automatically when Windows starts. Your preferred brightness settings are always ready from the moment you log in.
Designed to use minimal CPU and RAM so it never slows down your system. Runs silently in the background without you even noticing it's there.
Set your own keyboard shortcuts for instant brightness adjustments. Control your screen without ever opening the app window.
Enable the unique Prismatic Effect for a rainbow color-shift overlay that adds a beautiful tint to your display — perfect for ambiance or creative workflows.
The control window stays completely invisible in screen recordings, screenshots, and screen sharing. Your colleagues never see the overlay UI — only the effect.
Whether you're on a Zoom call, Google Meet, or Microsoft Teams — CtrlBright's dimmed overlay and control window stay active on your screen, but neither shows up in screenshots, recordings, or screen shares. Other tools capture everything, leaving your audience with a dark, blurred image.
Three simple steps from download to perfect brightness. No complex setup, no drivers required.
Download the lightweight installer for Windows 10 or 11. No dependencies, no drivers — just run the .exe and you're done.
Set your preferred overlay opacity, pick a color, configure startup behavior, and assign keyboard shortcuts to match your workflow.
CtrlBright runs silently in the background. Adjust brightness on the fly with your shortcuts — it's invisible to recordings and screen shares.
Simple, powerful, and always in control. Download CtrlBright free for Windows.