Cover parts of your Windows desktop with non-interactive overlays you shape from a pixel-ruled preview window. Pure Win32, no dependencies.
multiple-monitors winapi-application topmost screen-ruler dpi-scaling golang-gui click-through transparent-windows golang-desktop screen-overlay win32gui windows-apps windows-privacy screenshot-protection windows-privacy-tool desktop-overlay screen-privacy layered-window screen-masking topmost-window
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Updated
Aug 26, 2026 - Go