According to the menu, the shortcut is Cmd + Shift + X, but it doesn't work.

It works in Safari, but not Chrome. I tried it on my old Mac (a few OS versions behind) and got the same result.

I even tried Incognito Mode (no plugins?) and it still doesn't work.

Also doesn't work in Google Sheets.

So it seems like Chrome is eating the shortcut keypress somehow? How could I fix or debug this?


I eventually tested on a 3rd Mac and it worked. It turns out it was a Chrome extension using that same shortcut on my 2 Macs. I don't know why Incognito mode didn't solve this.

You can see the keyboard shortcuts claimed by your extensions here:

  • Darn you Pushbullet! – Patrick Sep 2 '20 at 18:18

I have MacOS Mojave 10.14.2 and the CMD + Shift + X works great for a highlighted word(s) on my Chrome Gmail account.

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