Download usi (User|Unified Script Injector)
Download usi (User|Unified Script Injector) (current and past versions) for Firefox
usi (User|Unified Script Injector) is available to install from Firefox Browser Add-ons and for download from this page. It has 52 daily users. The latest version is 0.5.16, and it was last updated 4 years ago.
Total download count: 0 (Only count downloads from Firefox-Stats)
Available versions
You can find the current and older versions of usi (User|Unified Script Injector) here. You can download the archived versions or inspect their source codes.
As a free user, you can only download the latest version.
Upgrade to download older versions
| Version | Download | Size | Download count | Timestamp |
|---|---|---|---|---|
| 0.5.16 | XPI · ZIP · Source code | 1.04M | 0 | 2025-01-27 |
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 and unpack the usi (User|Unified Script Injector) ZIP file to a directory of your choice.
- In Chrome browser, go to
chrome://extensions - Enable Developer mode.
- Click on the Load Unpacked button.
- Select the directory of with the unpacked usi (User|Unified Script Injector) ZIP file from step 1. usi (User|Unified Script Injector) is now installed on your browser.
Similar add-ons
Here are some Firefox add-ons that are similar to usi (User|Unified Script Injector):
