Download YouTube Sidebar

Name: YouTube Sidebar
Author: Daddy

By: Daddy Add-on

Download YouTube Sidebar (current and past versions) for Firefox

Latest Version: 3.2 Updated: 2 days ago

Ready to install?

YouTube Sidebar 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 YouTube Sidebar 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	Timestamp
3.2	XPI · ZIP · Source code	508.31KB	2026-07-28
3.1	XPI · ZIP · Source code	507.61KB	2026-06-27
2.9	XPI · ZIP · Source code	506.09KB	2026-06-20
2.8	Paid users only	506.22KB	2026-05-28
2.7	Paid users only	506.21KB	2026-05-23
2.5	Paid users only	505.07KB	2026-05-15
2.3	Paid users only	505.81KB	2026-05-08

2026-07-28 · 0 downloads

XPI ZIP Source code

2026-06-27 · 0 downloads

XPI ZIP Source code

2026-06-20 · 0 downloads

XPI ZIP Source code

2026-05-28 · 0 downloads

Paid users only

2026-05-23 · 0 downloads

Paid users only

2026-05-15 · 0 downloads

Paid users only

2026-05-08 · 0 downloads

Paid users only

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