Download YouTubeLegacyUI

Download YouTubeLegacyUI (current and past versions) for Firefox

YouTubeLegacyUI is available to install from Firefox Browser Add-ons and for download from this page. It has 2 daily users. The latest version is 1.0.0, and it was last updated 2 years ago.

View source code

Total download count: 0 (Only count downloads from Firefox-Stats)

Available versions

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

As a free user, you can only download the latest version.

Upgrade to download older versions

Version	Download	Size	Download count	Timestamp
1.0.0	XPI · ZIP · Source code	71.49K	0	2022-10-30

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