Compare: Caffeine - Keep Awake vs Keep Computer Awake (for a While)

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Metric	Caffeine - Keep Awake	Keep Computer Awake (for a While)
User count	60,000	9,000
Average rating	4.09	4.25
Rating count	23	12
Last updated	2025-11-05	2023-02-22
Size	0.13 MB	0.01 MB
Version	0.2.9	1.0.7

Short description	Keep your system awake effortlessly. Prevent screen dimming, sleep mode, and ensure uninterrupted downloads with Caffeine - Keep Awake Chrome extension.	Extend your PC's activity with Keep Computer Awake. Control screen and system sleep, set timers to revert, and optionally close tabs automatically.
Full summary	Caffeine - Keep Awake is a versatile Chrome extension designed to prevent your computer or display from entering sleep mode or dimming. It offers two operation levels: display level, which stops monitors from dimming or screensaving, and system level, which inhibits the entire system from powering down or entering hibernate mode. Customize the active duration from 5 minutes to 24 hours, allowing flexibility for various tasks. Ideal for uninterrupted downloads, presentations, reading e-books, or when you need to temporarily keep your device awake without altering your OS power settings. Simple activation via toolbar button with easy toggling and context menu options make it user-friendly across PC, Mac, and ChromeOS devices. Note that sleep prevention when the lid is closed varies by OS.	Keep Computer Awake (for a While) is a versatile Chrome extension designed to override your system's default energy-saving settings, preventing your computer from sleeping or turning off the screen as needed. It offers three states: keep the screen on, keep the system running while allowing the screen to turn off, and revert to the system's default energy-saving configuration. Beyond basic keep-awake functions, this extension features a countdown timer allowing you to schedule when your computer should return to default sleep settings. Optionally, it can close the active tab after the timer, ideal for managing media playback during bedtime. Keyboard shortcuts simplify switching between modes. Please note, manual computer sleep or closing your browser will override the extension's functionality.