T-Series is going down! is a Chrome extension developed by atm.moe. This extension is available for free and falls under the category of Browsers with a subcategory of Add-ons & Tools.

The main purpose of this extension is to allow users to join the battle between T-Series and PewDiePie. If you are subscribed to T-Series, this extension will automatically unsubscribe you from their channel and subscribe you to PewDiePie's channel. It aims to help PewDiePie maintain his position as the most subscribed YouTube channel.

The extension provides a simple and straightforward way for users to show their support for PewDiePie. By automatically managing subscriptions, it saves users the hassle of manually unsubscribing and subscribing to the channels.

Overall, T-Series is going down! is a useful Chrome extension for those who want to support PewDiePie in the battle against T-Series on YouTube.