Download ViewerJS WE

Name: ViewerJS WE
Author: def00111

By: def00111 Add-on

Download ViewerJS WE (current and past versions) for Firefox

Latest Version: 1.4.2 Updated: 6 months ago

Ready to install?

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

View source code

Daily users

4.3

3 ratings

Total downloads

Available versions

You can find the current and older versions of ViewerJS WE 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
1.4.2	XPI · ZIP · Source code	189.17KB	0	2026-01-10
1.4.1	XPI · ZIP · Source code	509.28KB	0	2020-03-05

2026-01-10 · 0 downloads

XPI ZIP Source code

2020-03-05 · 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 ViewerJS WE ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the ViewerJS WE ZIP file from step 1. ViewerJS WE is now installed on your browser.