Download Multi-Device Tester

Name: Multi-Device Tester
Author: Michael

By: Michael Add-on

Download Multi-Device Tester (current and past versions) for Firefox

Latest Version: 1.0 Updated: 2 years ago

Ready to install?

Multi-Device Tester 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 Multi-Device Tester 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
1.0	XPI · ZIP · Source code	13.05KB	0	2024-06-28

2024-06-28 · 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 Multi-Device Tester ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Multi-Device Tester ZIP file from step 1. Multi-Device Tester is now installed on your browser.