Before YouTube killed public RSS feeds for channels, this was the standard. It still works, but requires an RSS reader.
YouTube often rate-limits actions. If you try to subscribe to 500 channels in 5 seconds, YouTube will block the requests. Slow tools will add a 2-second delay between each subscribe. Before YouTube killed public RSS feeds for channels,
Deselect everything except for YouTube and YouTube Music . Before YouTube killed public RSS feeds for channels,
Is it possible to move youtube subscriptions to another account? Before YouTube killed public RSS feeds for channels,