A jsm file extension is related to the Mozilla Firefox and Firefox-based web browsers. A jsm file stores Firefox JavaScript module.

There are 2 other file types using
the JSM file extension!

empty icon.jsm - JAWS script message

empty icon.jsm - Jigsaws Galore jigsaw data

Detailed description

Software that open jsm file

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JSM file extension - Firefox JavaScript module

What is jsm file? How to open jsm files?

File type specification:

Settings, options, themes or skins file type icon Settings, options, themes or skins file type

jsm file icon: jsm filetype icon

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.

Updated: March 25, 2024

The default software associated to open jsm file:

Firefox icon

Mozilla Corporation logoFirefox  Microsoft Windows software

Company or developer:
Mozilla Corporation

Firefox is very popular free open source web browser with many features.
Firefox supports tabbed browsing, private browsing, spell checking, incremental find, bookmarking etc. Other features can be added via extensions and add-ons, such as NoScript, Tab Mix Plus. FoxyTunes, Web Developer.

Firefox for Mac icon

Mozilla Corporation logoFirefox for Mac  Apple macOS / Mac OS X software

Company or developer:
Mozilla Corporation

Firefox for Mac is popular free web browser developed by Mozilla Corporation. Firefox uses Gecko layout engine to display internet web pages. Gecko supports many current web standards. Firefox features include tabbed browsing, spell checking, live bookmarking, private browsing etc.. New features can be added through extensions.

Firefox for Linux icon

Mozilla Corporation logoFirefox for Linux  Linux/Unix software

Company or developer:
Mozilla Corporation

Firefox for Linux is popular free Internet browser developed by Mozilla Corporation. Firefox uses Gecko layout engine to view web pages. Gecko supports many web standards, Firefox supports many features, such as tabbed browsing, spell checking, private browsing etc.. Another features can be added by extensions. In many Linux distributions, Firefox is pre-installed as a default web browser.

Help 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.

List of software applications associated to the .jsm file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open jsm file, edit jsm file, convert jsm file, view jsm file, play jsm file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting jsm files.

Software that open jsm file - Firefox JavaScript module

Programs supporting the exension jsm on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open jsm file action.

Apple macOS / Mac OS X:

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