Caffeine Free Download – Prevent Screen Sleep and Lock

Software: Caffeine
Version: 1.4.0 (Latest, September 2026)
License: Open Source (MIT)
Platform: Windows
File Size: 0.5MB
Language: English
Developer: Zhorn Software
Download Link: Official Download Page

What is Caffeine?

Caffeine is a tiny utility that prevents your computer from going to sleep or locking the screen. It sits in your system tray and simulates a key press every 59 seconds to keep your system awake.

It is essential for presentations, downloads, monitoring, and any task that requires your system to stay active.

Key Features

Why Use Caffeine?

1. Simple and Effective

One click to prevent your system from going to sleep.

2. Essential for Many Tasks

Presentations, downloads, long processes – Caffeine keeps your system awake.

3. Completely Free

Open-source and free with no ads.

How to Download and Install Caffeine

Official Download:

• Visit: https://zhornsoftware.co.uk/caffeine/
• Download the ZIP file
• Extract and run the executable

Download Links