Download Source Code Viewer

Name: Source Code Viewer
Author: Nicolas Dos Santos

By: Nicolas Dos Santos

Download Source Code Viewer (current and past versions) for Firefox

Latest Version: 1.2.0 Updated: 24 days ago

Ready to install?

Source Code Viewer 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 Source Code Viewer 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
1.2.0	XPI · ZIP · Source code	105.52KB	0	2026-05-13
1.1.0	XPI · ZIP · Source code	103.08KB	0	2026-05-07

2026-05-13 · 0 downloads

XPI ZIP Source code

2026-05-07 · 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 Source Code Viewer ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Source Code Viewer ZIP file from step 1. Source Code Viewer is now installed on your browser.