Win Tool

Windows 11 system tray app for toggling dark mode and HDR.

Features

• Dark Mode toggle — switches both app and system theme instantly via registry
• HDR toggle — enables/disables HDR on your primary display via the Windows Display Configuration API
• System tray — runs quietly in the background; close the window to minimize, right-click the tray icon for quick toggles or to quit
• Auto-start — optional startup script so it launches on boot

Install

pip install -r requirements.txt

Run

pythonw win_tool.pyw

Or double-click win_tool.pyw in Explorer.

Auto-Start on Boot

Place a shortcut or VBS launcher in your Startup folder (shell:startup) that runs:

pythonw D:\path\to\win_tool.pyw

Requirements

• Windows 11
• Python 3
• CustomTkinter, pystray, Pillow