NachoSC.ScreenTuner 1.1.0

Hotkey-switchable display profiles for Windows: NVIDIA digital vibrance, plus gamma, contrast and brightness on any GPU. Per-monitor, with live preview.

ScreenTuner puts the NVIDIA Control Panel's display sliders behind global hotkeys, as named profiles you can switch instantly without leaving a game. Digital vibrance goes through NVIDIA's NVAPI; gamma, contrast and brightness go through the GDI gamma ramp and work on any GPU. Profiles can set different values per monitor, and a watchdog reapplies your profile when a fullscreen game takes the gamma ramp for itself.