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It started with a simple problem: every time I stepped away from my desk, my screen would lock. Meetings dropped. Scripts paused. That’s when I built a Mouse Jiggler.

We’ve all been there—staring at a screen that stubbornly goes dark, forcing us to log back in or explain to a team why we “disconnected for a second.” Whether you’re working remotely, running automation tasks, or just trying to keep a display from timing out, a Mouse Jiggler can quietly save your momentum.

In this guide, I’ll show you how to build your own Mouse Jiggler using Python—free, open source, and beginner-friendly. You won’t need any bloated apps or sketchy executables. Just a few lines of Python and you’re good to go.

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Table of Contents

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• What is a Mouse Jiggler?
  • Why Use Python for a Mouse Jiggler?
• Setting Up Your Python Mouse Jiggler
  • Prerequisites
  • The Python Mouse Jiggler Script
  • How It Works
• Alternatives to a Python Mouse Jiggler
• Pros and Cons of Each Solution
• A Script That Saves Time—and Sanity

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What is a Mouse Jiggler?

A mouse jiggler is a tool that simulates mouse movements to prevent a computer from going idle. While hardware solutions and paid software are available, a Python-based mouse jiggler offers a DIY approach that’s free and customizable. This solution is ideal for users who want control over how their mouse movements are simulated.

Why Use Python for a Mouse Jiggler?

Python’s versatility and ease of use make it an excellent choice for automating repetitive tasks. The pyautogui library allows you to simulate mouse movements and clicks with just a few lines of code, making it the perfect tool for this project.

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Setting Up Your Python Mouse Jiggler

Prerequisites

1. Install Python on your computer. You can download it from the official Python website.
2. Install the pyautogui library by running the following command in your terminal or command prompt:

pip install pyautogui

The Python Mouse Jiggler Script

Here’s a simple script to get you started:

import pyautogui
import time

def mouse_jiggler():
    print("Mouse Jiggler is running. Press Ctrl+C to stop.")
    try:
        while True:
            pyautogui.moveRel(10, 0, duration=0.2)  # Move right
            time.sleep(2)
            pyautogui.moveRel(-10, 0, duration=0.2)  # Move left
            time.sleep(2)
    except KeyboardInterrupt:
        print("Mouse Jiggler stopped by user.")

if __name__ == "__main__":
    mouse_jiggler()

How It Works

1. Simulating Movements: The pyautogui.moveRel(x, y, duration) function moves the cursor relative to its current position over a specified duration.
2. Periodic Activity: The script alternates between small movements every two seconds, ensuring your computer doesn’t go idle.
3. User Interrupt: Use Ctrl+C to safely stop the script whenever needed.

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Alternatives to a Python Mouse Jiggler

• Physical Mouse Jigglers -Physical devices plug into your computer and simulate mouse activity. They are reliable and require no software setup but can be costly and lack customization options.
• Paid Mouse Jiggler Apps – Premium software solutions often offer advanced features like scheduling and activity logs. However, they may come with licensing fees and potential privacy concerns.

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Pros and Cons of Each Solution

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A Script That Saves Time—and Sanity

With just a few lines of Python, you’ve built a fully functional, open source Mouse Jiggler—no installers, no nonsense. It’s a small tool with big impact: it keeps your screen awake, your status green, and your flow uninterrupted.

If this tiny script made your day smoother, there’s more where that came from. I regularly share open source tools like this that boost productivity, automate the boring stuff, and keep your system truly yours.

Ready to go deeper? Check out the rest of my Python automation series—and don’t forget to share this guide if it helped you.