Google’s official stance is that subscriptions are attached to the channel, not the user profile. There is a YouTube Data API v3, but it requires OAuth authentication and coding knowledge. The API allows you to read subscriptions, but writing (adding) subscriptions to a new account is rate-limited and cumbersome.
This is why third-party tools exist. They act as a bridge between your "Old" account and your "New" account. Advantage: Fully automated, secure if you review the
Objective: To transfer a list of subscribed channels from a source YouTube account to a destination YouTube account. Objective: To transfer a list of subscribed channels
Current State: YouTube does not provide a native, one-click “Transfer Subscriptions” feature. However, users can achieve this using a combination of YouTube’s native data export tool (Google Takeout) and third-party scripts or browser extensions. one-click “Transfer Subscriptions” feature. However
Key Finding: The process is feasible but requires manual intervention and carries some security risks if untrusted third-party tools are used.
Before diving into the "how," let’s look at the "why." Understanding the use case helps you choose the right tool.