.JSM File

The jsm file extension is associated with the Mozilla Firefox, an Internet browser for Microsoft Windows, Mac, Linux and Android operating systems that uses Gecko web layout engine.

The jsm file stores module for Firefox.

JavaScript code modules are a concept introduced in Gecko 1.9 and can be used for sharing code between different privileged scopes.

How to open:

Use source code editor to view content of *.jsm files.

How to convert:

As far as we know, this .jsm file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.