Download Website timer

Name: Website timer
Author: Matteo

By: Matteo Add-on

Download Website timer (current and past versions) for Firefox

Latest Version: 1.2.11 Updated: a month ago

Ready to install?

Website timer is available to install from Firefox Add-ons Store and for download from this page.

View source code

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Total downloads

Available versions

You can find the current and older versions of Website timer 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

Version	Download	Size	Download count	Timestamp
1.2.11	XPI · ZIP · Source code	13.13KB	0	2026-06-23
1.2.10	XPI · ZIP · Source code	11.51KB	0	2026-06-19

2026-06-23 · 0 downloads

XPI ZIP Source code

2026-06-19 · 0 downloads

XPI ZIP Source code

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