Visual Studio Code OFFLINE Extension Downloader
For those working in a firewalled environments, follow these steps to use this utility to download extensions.
Copy the URL of that extension from your browser's
address bar and paste it into the textbox below.
Wait a few seconds for the download to start
(once you click the Download button)
Once downloaded, open up Visual Studio Code, click on the extensions
right to open up the extensions panel. Then, click on the ellipsis to
open up the menu and choose "Install from VSIX" as show in this