Lightweight Windows system tray utility for toggling HDR on individual monitors. Unlike the built-in Win+Alt+B shortcut, which switches HDR globally, HDR Toggler lets you enable or disable HDR per display with a single click. Built in C# / WPF on .NET 10, using the Win32 DisplayConfig API.
windows utility csharp gaming dotnet wpf tray-icon win32 system-tray multi-monitor hdr displayconfig display-settings hdr-gaming hdr-toggle per-monitor-hdr
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Updated
Apr 10, 2026 - C#