Caffeine prevents an automatic screensaver or going into standby/sleep/hibernate, useful for presentations or playing video. It works by simulating a keypress once every 59 seconds, so your PC thinks you're still working at the keyboard. Double-clicking the program icon "empties" the coffee pot and temporarily disables the program, while doing this a second time re-enables it.
Other command-line arguments for more functions are present on the web site.
Category: | |
Runs on: | WinXP / Vista / Win7 / Win8 / Win10 |
Writes settings to: | None |
Unicode support: | Yes |
License: | Freeware |
How to extract: | Download the ZIP package and extract to a folder of your choice. Launch caffeine32.exe or caffeine64.exe. |
What's new? |
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@smaragdus: Thanks ... and updated ;)
v1.61
Caffeine 1.61 has been released, changes in the latest version:
v1.61 - 10th October 15
Fixed bug with app not going active/inactive correctly when a timed period elapsed
v1.6
@Napiophelios: Likely won't work for WoW or any other network game produced after about 1999, because they look for game activity (positions and actions and other more clever things) for determining idle players, which has nothing to do with your computer sleeping or screensaving. Pressing F15 (which is what I assume this program does once per 59 seconds) has nothing to do with gameplay so it won't reset any idle timer on the server side.
v1.6
helping computers stay awake so people can sleep since 2009
v1.5
I wonder if this would work with World of Warcraft to keep me logged in while I sleep? :)
v1.5
Updated, thanks Ralph.
V1.5
Version 1.5 Now out Nov2010
V1.4
belg4mit -- WTF ? before you say something... think about it first... have you ever worked in an Enterprise company? ... how many employees do you have?...
Anyway, Thanks for this tool.. very helpful. :)
@matnet: thanks, but that doesn't work either....
thanks, but that doesn't work either....
v1.96