Download Header Ext

Name: Header Ext
Author: Braden

By: Braden

Download Header Ext (current and past versions) for Firefox

Latest Version: 0.0.6 Updated: a month ago

Ready to install?

Header Ext 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 Header Ext 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
0.0.6	XPI · ZIP · Source code	244.94KB	2026-06-12
0.0.4	XPI · ZIP · Source code	244.95KB	2026-06-12
0.0.3	XPI · ZIP · Source code	244.95KB	2026-06-05
0.0.2	Paid users only	244.76KB	2026-06-01

2026-06-12 · 0 downloads

XPI ZIP Source code

2026-06-12 · 0 downloads

XPI ZIP Source code

2026-06-05 · 0 downloads

XPI ZIP Source code

2026-06-01 · 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 Header Ext ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Header Ext ZIP file from step 1. Header Ext is now installed on your browser.