Automatic detection
Connect a monitor and Brightness Control finds its brand, model, and hardware controls.
Free, open source, and portable
Every monitor.Exactly your brightness.
Control every compatible display independently from one clean Windows app. No menus, no installation, no fuss.
2displays detected
Live hardware control
DDC/CINative hardware control
1–3+Displays detected automatically
0 MBInstalled footprint
100%Free and open source
The simple way to stay comfortable
Built around your displays.
Everything you need to manage brightness, without the clutter you don't.
Live adjustment
Brightness changes instantly while you drag. Smooth, direct, and made for everyday use.
Your perfect defaults
Save a preferred level for each display and optionally restore it every time the app starts.
Make it yours
Set it once. Keep it right.
Save the brightness that feels right for each monitor. Restore your setup on demand or automatically when Brightness Control starts.
- Personal defaults for every monitor
- Startup reset using your chosen behavior
- Factory restore when you need a clean slate
- Sync changes made with monitor buttons
Ready in seconds
Download. Open. Adjust.
Download
Get the single portable executable from GitHub.
Launch
Open the app. Your connected displays appear automatically.
Adjust
Move each slider and enjoy a more comfortable workspace.
Works where you work
Made for modern Windows setups.
Brightness Control uses your monitor's DDC/CI hardware interface over common display connections. It supports single-display desks and larger multi-monitor setups alike.
Read compatibility notesOperating systemsWindows 10 · Windows 11
ConnectionsHDMI · DisplayPort · USB-C
RequirementDDC/CI enabled monitor
Your displays, finally in sync with you.
Free, portable, and ready whenever your eyes need a change.
Download Brightness Control