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 …

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 …

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 …

Caffeine is a small utility program that prevents your computer from going to sleep without having to change Windows' settings. It offers configuration options, allowing the user to choose …

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 …

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

If you’re tired of wrestling with power settings or losing progress because your PC dozed off, give Caffeine a shot. It’s free, it’s portable, and it does exactly what it says — nothing more, nothing …

Nov 3, 2024 · 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.

Jul 22, 2024 · 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.