NVTweak (formerly Coolbits) is a small utility that unlocks many hidden options in the NVIDIA Control Panel and drivers.
It enables features such as overclocking, AGP and hardware settings, fan control, temperature settings, debugging options, TwinView, Video Mixing Renderer, OpenGL 2.0 support, 3D viewer types for stereo drivers, and more.
| NVTweak — At a glance | |
|---|---|
| Name | NVTweak |
| Source | Community projects and volunteers (not NVIDIA) |
| What it does | Shows and edits hidden NVIDIA registry settings, toggles Coolbits, tweaks filtering, Vsync, Direct3D/OpenGL options |
| OS | Windows (legacy support to Windows 11; test on your system) |
| Cost | Freeware / portable builds available |
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