Download Multithread Download Manager Optimized

Name: Multithread Download Manager Optimized
Author: Comss

By: Comss

Download Multithread Download Manager Optimized (current and past versions) for Firefox

Latest Version: 3.5.2 Updated: 3 months ago

Ready to install?

Multithread Download Manager Optimized is available to install from Firefox Add-ons Store and for download from this page.

View source code

Daily users

3.0

1 ratings

Total downloads

Available versions

You can find the current and older versions of Multithread Download Manager Optimized 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
3.5.2	XPI · ZIP · Source code	229.91KB	2026-03-09
3.5.1	XPI · ZIP · Source code	228.33KB	2026-03-02
3.5	XPI · ZIP · Source code	228.85KB	2026-02-28
3.4	Paid users only	227.79KB	2026-02-24

2026-03-09 · 0 downloads

XPI ZIP Source code

2026-03-02 · 0 downloads

XPI ZIP Source code

2026-02-28 · 0 downloads

XPI ZIP Source code

2026-02-24 · 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 Multithread Download Manager Optimized ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Multithread Download Manager Optimized ZIP file from step 1. Multithread Download Manager Optimized is now installed on your browser.