Sum Tabs

Sum Tabs

Adds a button with the number of tabs to your toolbar

Sum Tabs is available to install from Firefox Browser Add-ons and for download from this page. It has 15 active users The latest version is 1.0, and it was published 2 years ago.

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Total download count: 0 (Only count downloads from Firefox-Stats)
Install Sum Tabs from Firefox Browser Add-ons
All available versions

You can find the current and older versions of Sum Tabs here. You can download the archived versions or inspect their source codes.

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

Upgrade to download older versions
Version Download Size Download count Timestamp
1.0 Sign in to download 21.15K 0 2022-08-02
How to install Sum Tabs from an XPI file
  1. Simply drag-and-drop the XPI into Firefox to install the add-on.
How to install Sum Tabs from a ZIP file
  1. Download the Sum Tabs 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 Sum Tabs ZIP file from step 1. Sum Tabs is now installed on your browser.