Locating the Extensions directory of Firefox

Some people like me are just too curious to peek on stuff behind all those cool extensions of Firefox like , , imagining their files and resources will just be amazing as the extension themselves .

Well, if only life is so simple. Finding out the ‘actual’ location where these extensions are stored is not a trivial task even if one spend time searching the web for answer (try searching Google). In fact, one might initially think that the extension should be rightfully stored in Firefox’s directory especially if there is actually a ‘extensions’ directory exists within the program directory. Disappointedly, none is found there.

Anyway, let’s not test thy patience anymore. So here is the quick answer:

C:\Users\UserName\AppData\Roaming\Mozilla\Firefox \Profiles\Whatever.default\extensions eg C:\Users\burger\AppData\Roaming\Mozilla\Firefox \Profiles\6nwxxfss.default\extensions You know ‘Whatever’ when you reach the Profiles directory.

C:\Documents and Settings\UserName\Application Data \Mozilla\Firefox\Profiles\Profile\extensions

Inside the extensions directory, one might encounter myriad of directories and files. Some files having extension like DLL, JS, JAR files. If there is JAR file, simply rename it to ZIP extension (Yes, JAR is actually a ZIP compressed file popularise by Java as Java ARchive file. Maybe to Firefox, it means Javascript ARchive File ?) and you can check what inside the container file.

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