Download QC Tool

Name: QC Tool
Author: Ahmed Omar

By: Ahmed Omar

Download QC Tool (current and past versions) for Firefox

Latest Version: 1.4.4 Updated: 2 days ago

Ready to install?

QC Tool 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 QC Tool 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
1.4.4	XPI · ZIP · Source code	1.44MB	2026-07-06
1.4.3	XPI · ZIP · Source code	1.44MB	2026-05-19
1.4.2	XPI · ZIP · Source code	1.44MB	2026-02-04
1.3.6	Paid users only	1.44MB	2026-02-03

2026-07-06 · 0 downloads

XPI ZIP Source code

2026-05-19 · 0 downloads

XPI ZIP Source code

2026-02-04 · 0 downloads

XPI ZIP Source code

2026-02-03 · 0 downloads

Paid users only

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