UserScript Pro: Custom JS & CSS Firefox

Download UserScript Pro: Custom JS & CSS

Download UserScript Pro: Custom JS & CSS (current and past versions) for Firefox
Latest Version: 1.2.2 Updated: 2 months ago

Ready to install?

UserScript Pro: Custom JS & CSS is available to install from Firefox Add-ons Store and for download from this page.
View source code
1
Daily users
5.0
1 ratings
0
Total downloads

Available versions

You can find the current and older versions of UserScript Pro: Custom JS & CSS 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
VersionDownloadSizeDownload countTimestamp
1.2.2XPI · ZIP · Source code4.01MB02026-03-20
1.2.1XPI · ZIP · Source code219.26KB02026-03-07
1.1.2XPI · ZIP · Source code210.60KB02026-03-05
1.1Paid users only184.59KB02026-01-31
1.2.2 4.01MB
2026-03-20 · 0 downloads
1.2.1 219.26KB
2026-03-07 · 0 downloads
1.1.2 210.60KB
2026-03-05 · 0 downloads
1.1 184.59KB
2026-01-31 · 0 downloads

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

  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the UserScript Pro: Custom JS & CSS ZIP file from step 1. UserScript Pro: Custom JS & CSS is now installed on your browser.

Best UserScript Pro: Custom JS & CSS Alternatives

Here are some Firefox add-ons that are similar to UserScript Pro: Custom JS & CSS: