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"google chrome helper" using too much CPU?

If you open the Activity Monitor and see that a process called "google chrome helper" is using too much CPU, here's how I fixed it:


I went to Chrome settings/content settings/Plugins and selected Click To Play for all plugins. (The default is Run Automatically.)


This fixed my problem. Now you have to click whenever you want to run a youtube video or other plugins, but it's worth it. It stops those stupid Flash ads from loading, too, so that's an extra bonus.


I'm posting this because when I had the problem, I couldn't find any solutions at all.

Posted on Nov 17, 2013 4:34 PM

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92 replies

Sep 16, 2015 5:21 PM in response to Scott Wager

Hi folks, I'll share a solution I found to my version of this problem.


I've been having very high cpu, driving both fans to max on my MBP Mavericks 10.9.5, latest Chrome 45.0.2454.85 (64-bit) when playing some vides from news sites, eg. New York Times. The cpu usage was from Google Chrome Helper, several instances.

My screen resolution was in a funny state, supposedly 1680 x 1050 but my Terminal screen was anti-aliasing the text instead of plain sharp-edge pixels. I used my little menubar helper app SetResX to reset to1680 x 1050. The screen size didn't change, but the Terminal font went back to normal (not anti-aliased) and the Helper usage dropped way down to reasonable levels.


My guess is that the screen was in a funny state and possibly forcing expensive AA (Anti Aliasing) on the video rendering (of the NYT clip). So if you're having huge cpu when playing video, try changing your screen resolution, and change it back to what you want, to "shake up" the rendering settings. If you don't have SetResX, which gives you direct access to all the sizes the Nvidia chip can do, incl. the nice 2800x1880, you cpould just the dumbed-down native options in the Prefernces / Displays panel.


Ciao, Greg E.

Sep 16, 2015 10:27 PM in response to DJWillis

I have a MacBook Air (13-inch, Mid 2012) with OS X Yosemite (10.10.5) and found that my fan speed is way fast and I could hear it as I would when doing high CPU processing.


I reset my PRAM and SMC to no avail. Then, searching around and found that 'Google Chrome Helper' was the problem. Well, I've tried the Chrome tricks listed in this thread but it didn't work.


I have 4 pinned tabs permanently in Google Chrome. When I "Force Quit" the two Google Chrome Helper CPU hogs, I saw that 2 of my pinned tabs have the "Aw, snap" icons and my fan speed when down until I can't hear it any more.


I opened up the two tabs, refresh the pages and viola... no more fan noise and 'Google Chrome Helper' isn't hogging my CPU any more (the max CPU usage is about 11%).


Well, this seemed to fix my problem.

Dec 22, 2015 3:53 PM in response to DJWillis

I have been battling with my Macbook Pro hanging and running slow for awhile now, and I only recently discovered that Google Chrome Helper may have been part of the problem. I tried the fix with the "click to play" Plug-In, and I was still having an average of 10 instances of Helper bogging me down. I recently switched to Opera. Opera does have a similar "helper", but so far it doesn't affect things as drastically as Chrome was. Time will tell. Opera is worth a look as a browner, at least in my opinion.

Dec 30, 2015 9:27 PM in response to DJWillis

Hi all, I have this problem all the time and have one solution to work. I always have 5 gmails tabs pinned. So, if you goto the pinned gmail windows and click on "inbox" or "refresh/recycle" arrow thing, that tends to fix the problem for me


I also sometimes find offending tabs, so I'll close out a bunch of tabs and try again, that fixes things too...


hope this helps

Jan 19, 2016 7:48 AM in response to MichelPM

There is a lot of truth to this post.

I would not go so far as to completely ditch Google products and Chrome extensions - some of it is helpful in the extreme.

However, running chrome and safari simultaneously can slow your system intolerably, especially with several instances open.

I primarily us a 27" 2011 iMac with solid state drive and 16GB memory, and same specs on a new Retina.

I have a separate login account on both machines in which to run Chrome.


Does anyone know of a site where Chrome stability is documented as upgrades are released ?


Best regards to all.

Apr 5, 2016 12:25 PM in response to DJWillis

I did the suggested fix.
Went on Preferences > Settings > Show advanced settings > Content Settings (under Privacy) > Plugins and marked "Let me choose when to run plugin content".


I restarted my macbook and let it be for a couple of days. Unfortunately Google Chrome Helper still takes up to 3GB of memory. What can I do?

"google chrome helper" using too much CPU?

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