FocusTone Firefox

Download FocusTone

By: Cuong
Download FocusTone (current and past versions) for Firefox
Latest Version: 1.0 Updated: 8 months ago

Ready to install?

FocusTone is available to install from Firefox Add-ons Store and for download from this page.
View source code

Available versions

You can find the current and older versions of FocusTone 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
1.0XPI · ZIP · Source code11.71KB02025-10-24
1.0 11.71KB
2025-10-24 · 0 downloads

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

Best FocusTone Alternatives

Here are some Firefox add-ons that are similar to FocusTone: