jsshell: all versions and old releases

The SpiderMonkey shell provides a command line interface to the JavaScript engine.

1 versions of jsshell are listed here, from February 18, 2026 to the current 147.0.3. Each one links to the publisher’s own installer files.

Version	Date	Size	Files
147.0.3Latest	February 18, 2026	17.1 MB	64-bit ZIP 17.1 MB ARM64 ZIP 16.0 MB 32-bit ZIP 15.9 MB

More from Mozilla

geckodriverWebDriver for Firefox
sccacheSccache is a ccache-like tool. It is used as a compiler wrapper and avoids compilation when possible. Sccache has the capability to utilize caching in remote storage environments, including various cloud storage options, or alternatively, in local storage.
Mozilla Thunderbird (en-US)Thunderbird is a free email application that is easy to set up and customize - and it's loaded with great features!
Dot BrowserDot Browser is a privacy-conscious web browser based on Firefox
mozregressionAn interactive regression rangefinder for quickly tracking down the source of bugs in Mozilla nightly and integration builds.
Ghostery Private BrowserThe Ghostery Desktop Browser is a minimal fork of Firefox optimised for privacy.