Youtube — Upull.me
When you paste a YouTube link, the server logs that request. Upull.me (and similar sites) can potentially see your IP address, browser fingerprint, and the exact videos you are downloading. Some have been known to inject tracking cookies.
If a service is free, and the official provider offers a paid alternative, you are often the product—or the victim. Upull.me Youtube
Section 5.1 of YouTube’s ToS explicitly states: "You are not allowed to... download any Content unless you see a “download” or similar link displayed by YouTube on the Service." When you paste a YouTube link, the server logs that request
