Download Fact Spreader

Name: Fact Spreader
Author: Fact Spreader

By: Fact Spreader

Download Fact Spreader (current and past versions) for Firefox

Latest Version: 4.0.5 Updated: 17 days ago

Ready to install?

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

View source code

Daily users

5.0

1 ratings

Total downloads

Available versions

You can find the current and older versions of Fact Spreader 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
4.0.5	XPI · ZIP · Source code	165.75KB	2026-06-01
4.0.4	XPI · ZIP · Source code	165.26KB	2026-05-10
4.0.3	XPI · ZIP · Source code	156.01KB	2026-03-03
4.0.2	Paid users only	156.01KB	2026-02-18
4.0.1	Paid users only	156.01KB	2026-02-17
3.0.1	Paid users only	271.41KB	2025-12-23

2026-06-01 · 0 downloads

XPI ZIP Source code

2026-05-10 · 0 downloads

XPI ZIP Source code

2026-03-03 · 0 downloads

XPI ZIP Source code

2026-02-18 · 0 downloads

Paid users only

2026-02-17 · 0 downloads

Paid users only

2025-12-23 · 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 Fact Spreader ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Fact Spreader ZIP file from step 1. Fact Spreader is now installed on your browser.