The .jsm file extension is related to the Mozilla Firefox web browser. The JSM file stores Firefox module.

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

jsm file icon.jsm - JAWS script message file

jsm file icon.jsm - Jigsaws Galore jigsaw file

Detailed description

Software that works with jsm file extension

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JSM file extension - Mozilla Firefox module file

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 internet browser for Microsoft Windows, Mac, Linux and Android operating systems that uses Gecko web layout engine. The .jsm file stores module for Firefox.

The default software associated to jsm file type:

Firefox icon

Mozilla Corporation logo Firefox  Microsoft Windows software

Company or developer:
  Mozilla Corporation

Firefox is very popular free open source web browser with many features. Firefox uses Gecko layout engine that implements most web standards including new HTML5.

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.

SeaMonkey icon

Mozilla Corporation logo SeaMonkey  Microsoft Windows software

Company or developer:
  Mozilla Corporation

SeaMonkey is all-in-one internet application suite based on Firefox browser and Mozilla Application Suite.  SeaMonkey contains internet browser, email client, HTML editor, IRC chat and web development tools. It is also contains support for extensions and plug-ins.

Firefox for Mac icon

Mozilla Corporation logo Firefox 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.

Seamonkey for Linux icon

Mozilla Corporation logo Seamonkey for Linux  Linux/Unix software

Company or developer:
  Mozilla Corporation

SeaMonkey is all-in-one internet application suite. SeaMonkey contains internet browser, email client, HTML editor, IRC chat and web development tools. It is also contains support for extensions and plug-ins.

Firefox for Linux icon

Mozilla Corporation logo Firefox 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 JSM files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension JSM:

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 recommended software applications associated to the .jsm file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X 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).

  • Settings jsm file

Settings file type for software that use jsm file - Mozilla Firefox module file

Click on the link to get more information about listed programs for settings jsm file action.

Microsoft Windows:

Main software associated with jsm file by default:
Firefox small icon Firefox
SeaMonkey small icon SeaMonkey

Apple macOS / Mac OS X:

Linux/Unix:

Main software associated with jsm file by default:
Seamonkey for Linux small icon Seamonkey for Linux
Firefox for Linux small icon Firefox for Linux

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