Download Firefox Jar !new! Here

Before the switch to WebExtensions, many Firefox add-ons were distributed as .jar or .xpi files (which are internally similar to JAR archives).

While most modern users download Firefox as an (Windows), .dmg (macOS), or .apk (Android), technical users and developers often seek .jar files for specific customization or compatibility needs. 1. Downloading Legacy Firefox Extensions (.jar) download firefox jar

: You can still find archives of legacy add-ons on the Mozilla Add-ons (AMO) version history pages. How to install : Open Firefox and go to about:addons . Before the switch to WebExtensions, many Firefox add-ons

To files, you need to understand that Firefox uses the .jar format primarily for internal UI packaging and legacy extensions, not as a standard browser installer. Before the switch to WebExtensions