Opened & Closed Tab Counter Firefox

Download Opened & Closed Tab Counter

By: Shajirr
Download Opened & Closed Tab Counter (current and past versions) for Firefox
Latest Version: 2026.7.10 Updated: 18 hours ago

Ready to install?

Opened & Closed Tab Counter is available to install from Firefox Add-ons Store and for download from this page.
View source code
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Available versions

You can find the current and older versions of Opened & Closed Tab Counter here. You can download the archived versions or inspect their source codes.

As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
VersionDownloadSizeDownload countTimestamp
2026.7.10XPI · ZIP · Source code19.99KB02026-07-10
2026.6.8XPI · ZIP · Source code19.20KB02026-06-08
2026.6.4XPI · ZIP · Source code18.47KB02026-06-04
2026.6.2.1Paid users only18.12KB02026-06-02
2026.4.7Paid users only14.38KB02026-04-07
2026.3.6.1Paid users only14.22KB02026-03-06
2026.1.26Paid users only14.13KB02026-01-26
2025.9.9Paid users only12.84KB02025-09-09
2025.5.7Paid users only12.57KB02025-05-07
2025.5.6Paid users only12.37KB02025-05-06
2026.7.10 19.99KB
2026-07-10 · 0 downloads
XPI ZIP Source code
2026.6.8 19.20KB
2026-06-08 · 0 downloads
XPI ZIP Source code
2026.6.4 18.47KB
2026-06-04 · 0 downloads
XPI ZIP Source code
2026.6.2.1 18.12KB
2026-06-02 · 0 downloads
Paid users only
2026.4.7 14.38KB
2026-04-07 · 0 downloads
Paid users only
2026.3.6.1 14.22KB
2026-03-06 · 0 downloads
Paid users only
2026.1.26 14.13KB
2026-01-26 · 0 downloads
Paid users only
2025.9.9 12.84KB
2025-09-09 · 0 downloads
Paid users only
2025.5.7 12.57KB
2025-05-07 · 0 downloads
Paid users only
2025.5.6 12.37KB
2025-05-06 · 0 downloads
Paid users only

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
  • Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  • Download the Opened & Closed Tab Counter ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the Opened & Closed Tab Counter ZIP file from step 1. Opened & Closed Tab Counter is now installed on your browser.

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