Mozilla adds Kiosk Mode support to Firefox

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Google Chrome supports Kiosk Mode, though an extension or two, are available on AMO, Firefox browser hasn’t supported the feature natively till now, finally, Mozilla has added much-wanted Kiosk support to Firefox browser in Nightly (Firefox 71) and the browser can now be launched in full-screen mode by using a command-line option.

Firefox kiosk mode

What is kiosk mode?

Kiosk mode is a Windows Operating system feature that allows only one application to run, it can be called “real fullscreen mode” where navigation bar, context menu, status and menu bars will be disabled and keyboard access will be limited and F11 button doesn’t work and you can’t access other applications or desktop on Windows.

As you generally see x button when you hover over in fulls screen mode, that button also doesn’t appear, makes it tough to leave Kiosk mode.

Mozilla has taken 17 years to implement the feature in their browser when a request to add kiosk mode bug submitted in 2002. The first phase of Kiosk implementation has been done in Firefox similar to Chrome’s, Mozilla says in the second phase, they’ll add Firefox Specific features.

Here is how to run Firefox in Kiosk mode

  1. Ensure you’re using latest Firefox 71 Nightly
  2. Right-click on its shortcut on the desktop and create another shortcut and name it as Firefox Kiosk, or whatever, you like, or create another profile.
  3. Now right click on the shortcut, select Properties, in the target field, append “--kiosk” without quotes at the end and click apply.

Note: You can even specify Firefox to run a particular website in Kiosk mode, for that, you should be adding --kiosk ""

add kiosk command line in Firefox target field

Now launch Firefox and experience the kiosk mode.

Note: When the --kiosk -printing command line parameter is used, printing happens immediately.

Since the F11 button doesn’t work, you need to use the Alt+F4 button to close the current tab or window.