Download USDB Plus

Name: USDB Plus
Author: mjhalwa

By: mjhalwa

Download USDB Plus (current and past versions) for Firefox

Latest Version: 1.2.2 Updated: a year ago

Ready to install?

USDB Plus 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 USDB Plus 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	Timestamp
1.2.2	XPI · ZIP · Source code	32.99KB	2025-04-21
1.2.1	XPI · ZIP · Source code	21.79KB	2025-04-18
1.2.0	XPI · ZIP · Source code	18.49KB	2023-11-26

2025-04-21 · 0 downloads

XPI ZIP Source code

2025-04-18 · 0 downloads

XPI ZIP Source code

2023-11-26 · 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 USDB Plus ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the USDB Plus ZIP file from step 1. USDB Plus is now installed on your browser.