Open Tab Count

This extension displays the number of open tabs for each window on the button and the total number of open tabs (in all windows) in a tip. This is based on the extension by Hilary Mason.

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Open Tab Count is available to install from Firefox Browser Add-ons and for download from this page. It has 150 active users The latest version is 3.2resigned1, and it was published 24 days ago.

All available versions

You can find the current and older versions of Open Tab Count here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

How to install Open Tab Count from an XPI file

1. Simply drag-and-drop the XPI into Firefox to install the add-on.

How to install Open Tab Count from a ZIP file

1. Download the Open Tab Count ZIP file
2. In Firefox browser, go to about:addons to open Add-ons Manager
3. Click on , then select Install Add-on From File
4. Select the Open Tab Count ZIP file from step 1. Open Tab Count is now installed on your browser.