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 keyboard, so won't lock the screen or activate the screensaver.
Prevent your computer from going to sleep
Alternatives to Coffee for your Caffeine Fix Is getting your buzz on a natural part of your daily routine? For most Americans, the answer is a resounding yes. Most choose to caffeinate with coffee Lots and lots of coffee. But coffee is hardly the only energy-boosting option out there. While it works great when you’ve had an all-nighter and as a smooth sip to accompany an alternative. We believe in a safe space, where users are accountable, have a sense of belonging, and are free to create, and enjoy the best in live social broadcasting.
The icon is shown above - it's the leftmost one in the task tray, and this is all you see. Double-clicking the icon empties the coffee pot (that's what the icon is) and temporarily disables the program. Double-clicking it again refills the pot, and will keep your machine awake.
By default the app starts enabled, and works every 59 seconds. There are some command line switches you can use to alter this behaviour:
Compatibility
Caffeine works by simulating an F15 key up event every 59 seconds. Of all the key presses available, F15 is probably the least intrusive, and least likely to interfere with your work.
However, Caffeine might interfere with some apps:
Is There A Caffeine Like App For Non Macs For Seniors
If you think any of these might cause you a problem, set the
-useshift command line parameter.
Video
Caffeine user humancar2n has put together a short YouTube video showing how the app works.
Mac version![]()
Do you need this functionality on your Mac? Lighthead Software have written a separate app, also named Caffeine, which can help you out.
Versions![]()
v1.90 - October 2020
-darkicons command line option added
Voodoopad mac app store.
-activehours command line option added
Tooltip replaced with a new one which works more reliably
Menu appearance updated
v1.81 - May 2020
Bug with the
-watchwindow command line fixed
v1.80 - January 2020
v1.64 - September 2017
Option for old icons added, 'cos not everyone likes the new ones
v1.63 - February 2017
Icons updated slightly to show up better on a white background.
v1.62 - April 2016
New icons, designed by Rubén Gómez Radioboy
v1.61 - October 2015
Fixed bug with app not going active/inactive correctly when a timed period elapsed
v1.60 - July 2013
New command line options:
Added menu items to go Active/Inactive
Is There A Caffeine Like App For Non Macs For Dummies
Type in About box corrected
-apptoggle will re-show the dialog if it was originally shown https://newatomic822.weebly.com/allow-apps-downloaded-from-anywhere-mac-missing-catalina.html.
v1.50 - November 2010 https://newatomic822.weebly.com/e32-edit-app-mac.html.
New command line options:
Simulated keypress changed from right context menu key to F15 as this is likely to be even less intrusive.
Is There A Caffeine Like App For Non Macs Use
v1.40 - July 2009
New command line options:
Hovering over the tray icon now shows the status of the app
v1.35 - May 2009
Is There A Caffeine Like App For Non Macs Download
Simulated keypress changed from shift to the right context menu key (at the suggestion of Kevin Kleinfelter) as this is likely to be less intrusive.
v1.30 - February 2009
Command line switches added to terminate the app after x minutes, disable the app after x minutes, and enable or disable the currently running instance of the app https://newatomic822.weebly.com/mac-allows-teh-follwoing-apps-to-control-my-conputer.html.
Is There A Caffeine Like App For Non Macs Use
v1.20 - March 2008
Command line switches added to set the interval and to start disabled
Download Caffeine (x86 and x64)Comments are closed.
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