Download Code Injector

Name: Code Injector
Author: HAYWIN

By: HAYWIN

Download Code Injector (current and past versions) for Firefox

Latest Version: 0.3.4 Updated: 7 months ago

Ready to install?

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

View source code

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Available versions

You can find the current and older versions of Code Injector 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
0.3.4	XPI · ZIP · Source code	2.35MB	0	2025-11-14

2025-11-14 · 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 Code Injector ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Code Injector ZIP file from step 1. Code Injector is now installed on your browser.