Similar to disabling Incognito mode to stop users bypassing extensions, is there a way to disable Chrome's Guest Window?

1 Answer 1


I worked out a solution that is now possible since May 2019 using policies and the same method as disabling Incognito mode.

If you're using chrome, create the folder /etc/opt/chrome/policies/managed. (I'm guessing if you're using chromium, create the folder /etc/chromium/policies/managed.)

Then create a file in that directory named test_policy.json. It can have any name you want, but it needs the extension to be .json.

Open it in your favorite editor and put:

{ "BrowserGuestModeEnabled": false }

(Updated) Source: https://chromeenterprise.google/policies/

  • 1
    Hi, this solution is brilliant. However, if you can, can you help me to figure out how to do both: disable Incognito+ disable guest mode. I made the son file and wrote { "IncognitoModeAvailability": 1, "BrowserGuestModeEnabled": false }. Jun 30, 2020 at 6:05
  • However, incognito isn't disabled when I do so. Jun 30, 2020 at 6:05
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    you can't have any line breaks in the policy file. So it should look like: { "BrowserGuestModeEnabled": false, "IncognitoModeAvailability": 1 }
    – Mr Philby
    Jul 3, 2020 at 4:34
  • 2
    @MrPhilby and others, list of available policies moved to: cloud.google.com/docs/chrome-enterprise/policies
    – LuxZg
    Dec 9, 2020 at 10:22
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    I confirm this works today. Thanks !
    – Dan Ortega
    Oct 24, 2021 at 6:25

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