Two Windows applications for adjusting display brightness. Pick the one you prefer and press Download — the file starts downloading right away.
Both buttons below start the download directly from this site. No redirects, no sign-up and no extra pages in between.
Brightness app
A Windows brightness control application with a simple slider interface for every connected display.
Independent application
A separate application with per-monitor brightness sliders in the system tray.
These are two separate applications. Both download directly from this site.
Pick Brightness Control for a simple slider interface, or Twinkle Tray for a per-monitor slider panel in the system tray with keyboard shortcuts. A structured breakdown is on Twinkle Tray vs Brightness Control.
Open the app, check that each display is listed, and adjust a slider to confirm the picture responds. If a monitor is missing, work through fix external monitor brightness on Windows. For everyday use, see how to use a brightness slider on Windows.
Straight from this site. Press Download and the installer starts downloading immediately, with no redirects or extra pages.
No. Brightness Control on the Microsoft Store and Twinkle Tray are separate Windows applications from different developers.
It is better to pick one. Two utilities sending brightness commands to the same monitor can conflict, causing levels to jump or revert.
Enable DDC/CI in the monitor's own menu, connect it directly with a known-good cable, and update the graphics driver. Our troubleshooting guide covers each step.