YouTube Unsub Checker
Check to see if YouTube is randomly unsubbing you from channels (yeah, they actually do that)
June 7 2019
YouTube Unsub Checker (download) is a Tampermonkey script that lets you check which channels you've been unsubscribed from on YouTube.
The script only runs on the https://www.youtube.com/feed/channels page. Check out the video for instructions on how to use it.
v.1.30 :: You can now backup your subscription cache to a .txt or .html file. Also fixed a bug that caused verified (checkmark) channels to not be included in the scans, and added some confirmation dialogs for certain actions.
v.1.40 :: Multi-account support added. The script now automatically differentiates between YouTube accounts and stores a separate subcription cache for each of them. Note that this update invalidates the cache of previous versions.
v.1.41 :: YouTube changed the HTML tag and classes of channel titles on their channel subscriptions page. This update makes the script work with the new changes.