What is com.apple.WebKit.GPU on Mac?

Draws web pages and video for Safari and web views.

Web graphics · Review

Why is com.apple.WebKit.GPU using so much CPU?

Busy with video, animations or many open tabs.

Should you quit com.apple.WebKit.GPU?

Maybe. com.apple.WebKit.GPU isn't part of macOS, but an app you use may need it. If you don't recognize what it's doing, quit the app it belongs to rather than the process itself.

Is com.apple.WebKit.GPU a virus?

Not by itself. com.apple.WebKit.GPU comes from software you or your company installed. If you don't recognize the app it belongs to, look it up before quitting it, and remove apps you no longer use.

How to check com.apple.WebKit.GPU on your Mac

Open Activity Monitor (Applications › Utilities), choose the CPU tab and type com.apple.WebKit.GPU in the search field. The % CPU column shows how busy it is: 100% means one full processor core. The Memory tab shows how much memory it uses. Activity Monitor shows numbers but doesn't say what they mean; WhySlow explains com.apple.WebKit.GPU in plain English and only flags it when it is really slowing your Mac down.

What to do if com.apple.WebKit.GPU stays busy

Quit or update the app that com.apple.WebKit.GPU belongs to. Updates often fix runaway helpers.
If you don’t use that app anymore, uninstall it so com.apple.WebKit.GPU stops running in the background.
Check System Settings › General › Login Items for helpers you don’t need at startup.

How WhySlow helps with com.apple.WebKit.GPU

Shows how much CPU and memory com.apple.WebKit.GPU is using right now, in plain English.
Tells you when com.apple.WebKit.GPU is the real cause of a slow Mac, and when it isn't.

See what's slowing your Mac right now

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