Download JS Injector Code (current and past versions) for Firefox
Try xHeader →
Latest Version:
1.0.0 Updated:
2 months ago
Ready to install?
JS Injector Code is available to install from Firefox Add-ons Store and for download from this page.
1
Daily users
No ratings yet
0
Total downloads
Available versions
You can find the current and older versions of JS Injector Code 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 |
|---|---|---|---|---|
| 1.0.0 | XPI · ZIP · Source code | 370.31KB | 0 | 2026-07-15 |
1.0.0 370.31KB
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 JS Injector Code ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the JS Injector Code ZIP file from step 1. JS Injector Code is now installed on your browser.
Best JS Injector Code Alternatives
Here are some Firefox add-ons that are similar to JS Injector Code:
JS Injector
Francesco De Stefano
Code Injector Pro
Mathilda
Code Injector
Saba
Simple JavaScript Injector
joeperpetua
CSS/JS Inject
Freiholtz
JS Injector
Joey
Browser Injector
pearnaly
JS and CSS snippets for web
Yupma
Custom JS Injector
jojihatzz
Code Injector
TK88
Code Injector
HAYWIN
Code Injector
7m