MouseMinimizer

Mouse Movement Minimizer for Windows 

This lightweight utility for Windows helps you instantly hide all open windows when mouse movement is detected. After clicking the grey circle to activate monitoring, you’ll have 3 seconds to stop moving the mouse. Any movement afterward will automatically minimize all windows and stop audio playback.

It’s ideal for maintaining privacy — for example, when someone unexpectedly enters the room and you want to quickly hide your activity.
To resume monitoring, simply click the circle again once it turns back to grey.

Discreet, efficient, and easy to use, this tool runs quietly in the background and automatically reacts to your mouse movements to keep your screen private.

The application will not minimize full-screen videos. 

To ensure it works properly, avoid playing videos in full-screen mode.