Download ClockinSync - Timezone Converter & World Clock

Name: ClockinSync - Timezone Converter & World Clock
Author: ClockinSync

By: ClockinSync

Download ClockinSync - Timezone Converter & World Clock (current and past versions) for Firefox

Latest Version: 1.26.59 Updated: 2 months ago

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ClockinSync - Timezone Converter & World Clock is available to install from Firefox Add-ons Store and for download from this page.

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Available versions

You can find the current and older versions of ClockinSync - Timezone Converter & World Clock 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
1.26.59	XPI · ZIP · Source code	610.84KB	0	2026-05-11

2026-05-11 · 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 ClockinSync - Timezone Converter & World Clock ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the ClockinSync - Timezone Converter & World Clock ZIP file from step 1. ClockinSync - Timezone Converter & World Clock is now installed on your browser.