Download ESR Video Sync

Name: ESR Video Sync
Author: seanc

By: seanc Add-on

Download ESR Video Sync (current and past versions) for Firefox

Latest Version: 0.0.8 Updated: a year ago

Ready to install?

ESR Video Sync 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 ESR Video Sync 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
0.0.8	XPI · ZIP · Source code	15.91KB	0	2025-08-24

2025-08-24 · 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 ESR Video Sync ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the ESR Video Sync ZIP file from step 1. ESR Video Sync is now installed on your browser.