LanguageJSM
Firefox JavaScript module
File type: Settings, options, themes or skins file
A jsm file extension is related to the Mozilla Firefox and Firefox-based web browsers. A jsm file stores Firefox JavaScript module.
Found 3 different file type records with the same jsm filename suffix.
What is jsm file?
File type category:
Settings, options, themes or skins file
Date updated: June 27, 2025
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 jsm file?
Use source code editor to view content of *.jsm files.
Suggested software to open jsm file:
Associated software actions with the jsm file
Software applications that can open jsm files:
Sublime Text (Microsoft Windows)
NotePad++ text editor (Microsoft Windows)
PSPad (Microsoft Windows)
Sublime Text for Mac (Apple macOS / Mac OS X)
Sublime Text for Linux (Linux/Unix)
Software applications that can edit jsm files:
Sublime Text (Microsoft Windows)
NotePad++ text editor (Microsoft Windows)
PSPad (Microsoft Windows)
Sublime Text for Mac (Apple macOS / Mac OS X)
Sublime Text for Linux (Linux/Unix)
Software capable of saving jsm files:
Sublime Text (Microsoft Windows)
NotePad++ text editor (Microsoft Windows)
PSPad (Microsoft Windows)
Sublime Text for Mac (Apple macOS / Mac OS X)
Sublime Text for Linux (Linux/Unix)
Software apps that manage settings for jsm files:
Firefox (Microsoft Windows)
SeaMonkey (Microsoft Windows)
Firefox for Mac (Apple macOS / Mac OS X)
Seamonkey for Mac (Apple macOS / Mac OS X)
Firefox for Linux (Linux/Unix)
Seamonkey for Linux (Linux/Unix)
JAWS script message
File type category:
Source code and script file
Date updated: April 8, 2019
The jsm file extension is associated with the JAWS, Screen Reading Software for Microsoft Windows operating system, developed by Freedom Scientific, Inc.
The jsm file stores a script message created in the JAWS.
How to open jsm file?
Use compatible tools to work with *.jsm files.
How to convert jsm file?
Probably cannot be converted to anything else.
Suggested software to open jsm file:
Associated software actions with the jsm file
Software applications that can open jsm files:
JAWS (Microsoft Windows)
Software apps that create jsm files:
JAWS (Microsoft Windows)
Software applications that handle other tasks involving jsm files:
JAWS (Microsoft Windows)
Jigsaws Galore jigsaw data
File type category:
Various data file
Date updated: February 2, 2018
The jsm file extension is associated with the Jigsaws Galore, a jigsaw puzzles editing and gaming software for Microsoft Windows operating system.
The jsm file stores jigsaw puzzle created in the Jigsaws Galore.
How to open jsm file?
Use Jigsaws Galore to open jsm jigsaw files.
Suggested software to open jsm file:
Associated software actions with the jsm file
Software applications that can open jsm files:
Jigsaws Galore (Microsoft Windows)
Software applications that can edit jsm files:
Jigsaws Galore (Microsoft Windows)
Software capable of saving jsm files:
Jigsaws Galore (Microsoft Windows)
Software apps that create jsm files:
Jigsaws Galore (Microsoft Windows)
Software applications that handle other tasks involving jsm files:
Jigsaws Galore (Microsoft Windows)