Download Gem DevTools

Name: Gem DevTools
Author: mantou132

By: mantou132

Download Gem DevTools (current and past versions) for Firefox

Latest Version: 2.2.4 Updated: 13 days ago

Ready to install?

Gem DevTools is available to install from Firefox Add-ons Store and for download from this page.

View source code

Daily users

5.0

1 ratings

Total downloads

Available versions

You can find the current and older versions of Gem DevTools here. You can download the archived versions or inspect their source codes.

As a free user, you can download up to 3 latest versions.

Upgrade to download older versions

Version	Download	Size	Download count	Timestamp
2.2.4	XPI · ZIP · Source code	131.80KB	0	2026-06-07
1.7.8	XPI · ZIP · Source code	139.14KB	0	2024-06-23

2026-06-07 · 0 downloads

XPI ZIP Source code

2024-06-23 · 0 downloads

XPI ZIP Source code

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

Download the Gem DevTools ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Gem DevTools ZIP file from step 1. Gem DevTools is now installed on your browser.