Does what it says on the tin. It even has a few simple checkboxes in the Options menu to customize its behavior.

I personally enabled "Activate opened tabs" so it behaves how I'm used to Chrome behaving with Incognito tabs where the newest one you open is always the one that's active when you go check on your Incognito (or Private, in this case) window.

I miss this feature in Firefox for so long. Damn! I'm so happy that I found this.

Thank you for creating this! <3

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Is the code available somewhere?

I'd like to improve (change to myself honestly) to not show the title of the current chosen private window tab in the menu when it has a single private window. It can make the menu really large and annoys me.

A fixed "Open Link in Current Private Window" for this specific scenario would be perfect.

Works great and is very simple to use, if only Firefox added this feature as a default