Open sourceFree for Windows 11, under the MIT licenceFree for Windows 11 · MIT
One App. Full Ctrl.
Windows treats every monitor the same. DispCtrl treats each one on its own terms: brightness in step across every screen, night light, keep awake, a taskbar that hides where you want it, OLED care and your monitor's own settings.
Unison brightnessWindows' brightness keys drive every displayNight light per displayKeep awakeStay activePer-monitor taskbar hidingTaskbar glassOLED careDDC/CI monitor controlsFocus modeGlobal hotkeysQuick panelCommand line
Features
Everything about your displays, in one place
Built for desks with more than one screen, and for the laptops Windows never quite gets right.
The headline act
One slider. Every display. In step.
Calibrate each monitor's range once, and a laptop panel and an external monitor match at every level after that. External monitors are driven over DDC/CI and built-in screens through Windows, with software dimming below the panel's own floor.
Turn on Replace Windows brightness and the Quick Settings slider and your laptop's brightness keys move every display, not just the one they were made for.
Warmer and dimmer than Windows allows, down to 1900K, per monitor or in unison.
ScheduledFollows Windows
Keep awake & stay active
No sleep for as long as you need, and no "Away" status in Teams while you read.
TimedPower plan untouched
Taskbar, where you want it
Hide it on some displays and keep it on others, with a native-feeling slide.
Per monitorGlass & tint
OLED care
Two-stage idle dimming that pauses for full-screen video and games.
Screen restBurn-in aware
Monitor controls
Contrast, input, picture mode, volume and more, with only the values your monitor accepts.
DDC/CIDevice library
Focus mode
Dims everything around the window you're using, per monitor, following the mouse if you like.
Per monitorHover aware
Global hotkeys
Brightness, night light, focus and more, even with the window closed.
Conflict warnings21 actions
Display setup
Modes, scaling, HDR, orientation, per-monitor wallpaper, and an arrangement by real size.
HDRWallpaper
Quick panel
One click from the taskbar
Click the tray icon and the panel rises from the taskbar, like Windows' own Quick Settings, and sinks back when you click away.
One slider for every display, and a row for each one
Tiles for night light, dark mode, focus, keep awake, stay active, the taskbar and OLED care
Options behind every tile's arrow, so nothing needs digging for
Yours to arrange: choose which sections, tiles and rows appear
Tour
Built like Windows 11 itself
WinUI 3 with Mica and Fluent controls. It feels like part of Windows because it's built from the same parts.
Command line
Every feature, scriptable
dispctrl does everything the app does, with JSON output and meaningful exit codes. Use it in scripts, Task Scheduler and your own shortcuts.
Per display or all at once: brightness, night light, modes, inputs
Monitor controls by name, including ones the device library maps
Talks to the running engine, or works on its own
Windows Terminal — dispctrl
Open source
Built in the open, with the community
Every monitor is a little different, and no one person owns them all. DispCtrl learns each one it meets, and a shared, open device library carries what one owner works out to everyone with the same model.
01
Plug in any monitor
DispCtrl reads what it supports over DDC/CI and remembers the model.
02
Name what the maker didn't
Watch the undocumented codes change as you use the monitor's menu, give them names, or say what a laptop panel is.
03
Contribute it
One click opens a GitHub issue. After review it joins the library, and every owner of that model gets it.
No telemetry, ever. Sharing is always your choice, and serial numbers are removed before you see the text.
