Download BUILDER WEB DevTools

Name: BUILDER WEB DevTools
Author: Sistemi S.p.A.

By: Sistemi S.p.A. Add-on

Download BUILDER WEB DevTools (current and past versions) for Firefox

Latest Version: 2.0.1.3 Updated: 5 months ago

Ready to install?

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

View source code

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Available versions

You can find the current and older versions of BUILDER WEB 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
2.0.1.3	XPI · ZIP · Source code	2.68MB	0	2026-03-13
2.0.1.2	XPI · ZIP · Source code	2.68MB	0	2026-03-12

2026-03-13 · 0 downloads

XPI ZIP Source code

2026-03-12 · 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 BUILDER WEB DevTools ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the BUILDER WEB DevTools ZIP file from step 1. BUILDER WEB DevTools is now installed on your browser.