Download FactoidL

Name: FactoidL
Author: FactoidL

By: FactoidL Add-on

Download FactoidL (current and past versions) for Firefox

Latest Version: 2.6.2 Updated: 8 days ago

Ready to install?

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

View source code

Available versions

You can find the current and older versions of FactoidL 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
2.6.2	XPI · ZIP · Source code	146.22KB	2026-09-02
2.6.1	XPI · ZIP · Source code	144.44KB	2026-08-19
2.5	XPI · ZIP · Source code	147.89KB	2022-08-04
2.0	Paid users only	146.91KB	2019-08-30

2026-09-02 · 0 downloads

XPI ZIP Source code

2026-08-19 · 0 downloads

XPI ZIP Source code

2022-08-04 · 0 downloads

XPI ZIP Source code

2019-08-30 · 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 FactoidL ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the FactoidL ZIP file from step 1. FactoidL is now installed on your browser.