It is a pointer. Your VRChat client tells the server, “Hey, give me avatar ID X” and the server replies with the bundle file containing the 3D model, textures, and animations.
If you have spent any time in the social VR platform VRChat , you have likely seen a "meme avatar," a copyrighted anime character, or a private model that you desperately wanted to save. This leads to a burning question that echoes across Discord servers and Reddit threads: Is there a working VRChat Avatar ID downloader link? vrchat avatar id downloader link
Before you can generate a download link, you need the ID. It is a pointer
Would you like guidance on safely creating or backing up your own avatar instead? This leads to a burning question that echoes
If you Google "VRChat avatar ID downloader link," you will find dozens of sites promising instant downloads if you just paste an ID into a text box.