Hacking Firefox Extensions

Firefox extensions enable users to customize Firefox with additional features. Generally, Firefox extensions are free, open-source, and easily downloaded as .xpi files. This article explains how to hack Firefox extensions of the .xpi variety. There are many reasons why someone would want to hack a Firefox extension — examples include: editing code, debugging errors, and learning extensions. This hack method requires a web browser, zip utility, and your favorite text editor. Step 1: Secure an extension By default, the Firefox browser will cache and attempt to install any "extension.xpi" file it encounters. Once Firefox installs the plugin, it becomes much […] Read more »