Merlin

Compare Chrome extensions: Keep Awake vs Caffeine - Keep Awake

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User count 1,000,000+ 40,000+
Average rating 4.00 4.27
Rating count 487 11
Last updated 2023-08-04 2024-01-16
Size 31.47K 138.24K
Version 1.9 0.2.6
Short description
Override system power-saving settings. Prevent screen dimming or activating a screen saver by overriding power-saving settings to keep the system or display awake
Full summary

This extension makes it easy to temporarily disable power management on Chrome OS.

It adds an icon in the upper-right corner of the browser that can be clicked to switch between modes where the screen is kept on (sun icon), the system is prevented from sleeping (sunset), or power-saving settings are left unchanged (moon).

Frequently-asked questions:

  • Will this extension prevent a Chromebook from suspending when its lid is closed?

No, but if an external display is connected, recent versions of Chrome OS will remain awake when the lid is closed.

  • What's the difference between the "screen is kept on" and "system is prevented from sleeping" modes?

When the system is prevented from sleeping (sunset icon), network connections will remain active; this may be useful if using e.g. the Secure Shell app. The screen will still dim and turn off eventually, though. In the "screen is kept on" mode (sun icon), the system will avoid sleeping and the display will additionally remain on.

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This extension prevents your operating system from entering hibernate or sleep mode by offering two levels of operation:

  1. "Display" level: It prevents single or multiple monitors from dimming or displaying screensavers.
  2. "System" level: It prevents the entire system from entering the power-saving state.

Key features of the extension include:

  1. Operation on display or system level.
  2. Ability to keep the system awake for a specified period (ranging from 5 minutes to 24 hours) and then allow it to sleep.
  3. Capability to keep the system awake while downloading a file, ensuring uninterrupted downloads even when you're not actively present. The system will transition to the idle state once the download is complete.

The extension provides an inactive toolbar button. Click the button once to activate the "keep awake" state and prevent the system from sleeping. Clicking the button again will release the system back to its default state. To change the level of operation, use the right-click context menu options. When the extension is disabled, it does not alter your computer's power settings (PC, Mac, or ChromeOS). However, if enabled, the extension overrides these settings and prevents the system from entering sleep mode.

Notes: The ability of this extension to prevent your computer from going into sleep mode when the lid is closed may vary based on the operating system. Some operating systems allow background activities even when the lid is closed, while others do not. For example, older Chromebooks suspend all activities when the lid is closed.

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