Download Linux Foundation Coupons by CertDirectory.IO

Name: Linux Foundation Coupons by CertDirectory.IO
Author: CertDirectory.IO

By: CertDirectory.IO

Download Linux Foundation Coupons by CertDirectory.IO (current and past versions) for Firefox

Latest Version: 2.0.0 Updated: 7 months ago

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Linux Foundation Coupons by CertDirectory.IO is available to install from Firefox Add-ons Store and for download from this page.

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Available versions

You can find the current and older versions of Linux Foundation Coupons by CertDirectory.IO 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	Download count	Timestamp
2.0.0	XPI · ZIP · Source code	59.33KB	0	2025-11-09
1.0.0	XPI · ZIP · Source code	42.32KB	0	2025-11-07

2025-11-09 · 0 downloads

XPI ZIP Source code

2025-11-07 · 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 Linux Foundation Coupons by CertDirectory.IO ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Linux Foundation Coupons by CertDirectory.IO ZIP file from step 1. Linux Foundation Coupons by CertDirectory.IO is now installed on your browser.