Download UBL Viewer

Name: UBL Viewer
Author: harungecit.dev

By: harungecit.dev

Download UBL Viewer (current and past versions) for Firefox

Latest Version: 1.0.0 Updated: 6 months ago

Ready to install?

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

View source code

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Available versions

You can find the current and older versions of UBL Viewer 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
1.0.0	XPI · ZIP · Source code	51.91KB	0	2025-12-13

2025-12-13 · 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 UBL Viewer ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the UBL Viewer ZIP file from step 1. UBL Viewer is now installed on your browser.