Uncover Firefox secret add-ons install button
Not all Firefox themes and extensions available on the web are properly served by the server so they are easy to add. Sometimes they are offered as regular .XPI (extensions) or .JAR (themes) files.
To install these, you need to either drag the file to the Add-ons Manager (Tools menu, Add-ons) or select File/Open File… and browse for the file.
There’s yet another easier and more logical way: unhide a secret button in the Add-ons Manager that will let you browser for extension or theme files stored in your computer: (more…)
Written by Jason on December 24th, 2007 with comments disabled.
Read more articles on Firefox and add-ons and extensions and themes.