If you have problems with your PC locking or going to sleep, caffeine will keep it awake. It works by simulating a keypress once every 59 seconds, so your machine thinks you're still working at the …

Dec 28, 2024 · Caffeine is a free and portable tool which can prevent your PC from going into sleep mode. As a portable program, it doesn't require installation which means you can run it from …

Jul 4, 2025 · Caffeine keeps a computer from locking up or falling asleep by regularly simulating keystrokes. Like a strong cup of coffee, the program prevents your screensaver from kicking in …

Nov 4, 2024 · Caffeine is a very lightweight program that allows you to keep your PC always awake. Thanks to this software, which takes up less than 500KB, you can prevent Windows from going to …

Download Caffeine — simple background utility that stops your computer from sleeping or dimming, ideal for long sessions, meetings, or media playback. Caffeine for PC keeps your computer awake …

Aug 8, 2025 · Download Caffeine for free. Caffeine is a utility that prevents your PC from sleeping, locking or activating the screensaver.

Caffeine Pro is a powerful Microsoft Windows™ software designed to prevent your computer from going into sleep mode by simulating a keypress event at regular intervals.

Dec 19, 2022 · Caffeine is a very simple and reliable solution that you can use to prevent your PC from going to sleep, locking, or inconveniently enabling screensavers. That way, you can make sure all …

Mar 14, 2025 · Simple: by using Caffeine. Caffeine is a simple and lightweight utility that prevents your machine from slipping into standby mode, thereby stopping sleep mode from coming into effect. The...

Caffeine is a lightweight and portable utility that prevents your computer from going into idle mode, hence blocking lock / sleep operations or the launch of the screensaver.